lambda example
This commit is contained in:
eugenp
parent
1a12a44cb1
commit
9543f1f067
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@ -1,4 +1,3 @@
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#Sat Jan 21 23:04:06 EET 2012
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eclipse.preferences.version=1
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editor_save_participant_org.eclipse.jdt.ui.postsavelistener.cleanup=true
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sp_cleanup.add_default_serial_version_id=true
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@ -14,6 +13,7 @@ sp_cleanup.always_use_blocks=true
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sp_cleanup.always_use_parentheses_in_expressions=true
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sp_cleanup.always_use_this_for_non_static_field_access=false
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sp_cleanup.always_use_this_for_non_static_method_access=false
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sp_cleanup.convert_functional_interfaces=false
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sp_cleanup.convert_to_enhanced_for_loop=true
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sp_cleanup.correct_indentation=true
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sp_cleanup.format_source_code=true
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@ -46,8 +46,10 @@ sp_cleanup.remove_unused_private_methods=true
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sp_cleanup.remove_unused_private_types=true
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sp_cleanup.sort_members=false
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sp_cleanup.sort_members_all=false
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sp_cleanup.use_blocks=false
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sp_cleanup.use_anonymous_class_creation=false
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sp_cleanup.use_blocks=true
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sp_cleanup.use_blocks_only_for_return_and_throw=false
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sp_cleanup.use_lambda=false
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sp_cleanup.use_parentheses_in_expressions=false
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sp_cleanup.use_this_for_non_static_field_access=true
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sp_cleanup.use_this_for_non_static_field_access_only_if_necessary=true
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@ -1,139 +1,146 @@
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<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
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<modelVersion>4.0.0</modelVersion>
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<groupId>org.baeldung</groupId>
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<artifactId>spring-rest</artifactId>
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<version>0.1-SNAPSHOT</version>
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<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
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xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
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<modelVersion>4.0.0</modelVersion>
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<groupId>org.baeldung</groupId>
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<artifactId>spring-rest</artifactId>
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<version>0.1-SNAPSHOT</version>
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<name>spring-rest</name>
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<name>spring-rest</name>
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<dependencies>
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<dependencies>
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<!-- utils -->
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<!-- utils -->
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<dependency>
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<groupId>com.google.guava</groupId>
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<artifactId>guava</artifactId>
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<version>15.0</version>
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</dependency>
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<dependency>
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<groupId>com.google.guava</groupId>
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<artifactId>guava</artifactId>
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<version>16.0-rc1</version>
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</dependency>
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<dependency>
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<groupId>org.apache.commons</groupId>
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<artifactId>commons-collections4</artifactId>
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<version>4.0</version>
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</dependency>
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<dependency>
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<groupId>org.apache.commons</groupId>
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<artifactId>commons-collections4</artifactId>
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<version>4.0</version>
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</dependency>
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<!-- web -->
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<dependency>
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<groupId>org.apache.commons</groupId>
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<artifactId>commons-lang3</artifactId>
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<version>3.1</version>
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</dependency>
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<!-- marshalling -->
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<!-- web -->
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<dependency>
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<groupId>com.fasterxml.jackson.core</groupId>
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<artifactId>jackson-databind</artifactId>
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<version>${jackson.version}</version>
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</dependency>
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<!-- marshalling -->
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<!-- test scoped -->
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<dependency>
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<groupId>com.fasterxml.jackson.core</groupId>
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<artifactId>jackson-databind</artifactId>
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<version>${jackson.version}</version>
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</dependency>
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<dependency>
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<groupId>junit</groupId>
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<artifactId>junit-dep</artifactId>
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<version>${junit.version}</version>
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<scope>test</scope>
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</dependency>
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<!-- test scoped -->
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<dependency>
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<groupId>org.hamcrest</groupId>
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<artifactId>hamcrest-core</artifactId>
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<version>${org.hamcrest.version}</version>
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<scope>test</scope>
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</dependency>
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<dependency>
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<groupId>org.hamcrest</groupId>
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<artifactId>hamcrest-library</artifactId>
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<version>${org.hamcrest.version}</version>
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<scope>test</scope>
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</dependency>
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<dependency>
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<groupId>junit</groupId>
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<artifactId>junit-dep</artifactId>
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<version>${junit.version}</version>
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<scope>test</scope>
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</dependency>
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<dependency>
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<groupId>org.mockito</groupId>
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<artifactId>mockito-core</artifactId>
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<version>${mockito.version}</version>
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<scope>test</scope>
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</dependency>
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<dependency>
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<groupId>org.hamcrest</groupId>
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<artifactId>hamcrest-core</artifactId>
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<version>${org.hamcrest.version}</version>
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<scope>test</scope>
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</dependency>
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<dependency>
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<groupId>org.hamcrest</groupId>
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<artifactId>hamcrest-library</artifactId>
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<version>${org.hamcrest.version}</version>
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<scope>test</scope>
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</dependency>
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</dependencies>
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<dependency>
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<groupId>org.mockito</groupId>
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<artifactId>mockito-core</artifactId>
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<version>${mockito.version}</version>
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<scope>test</scope>
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</dependency>
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<build>
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<finalName>core-java-8</finalName>
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<resources>
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<resource>
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<directory>src/main/resources</directory>
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<filtering>true</filtering>
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</resource>
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</resources>
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</dependencies>
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<plugins>
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<build>
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<finalName>core-java-8</finalName>
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<resources>
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<resource>
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<directory>src/main/resources</directory>
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<filtering>true</filtering>
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</resource>
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</resources>
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<plugin>
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<groupId>org.apache.maven.plugins</groupId>
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<artifactId>maven-compiler-plugin</artifactId>
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<version>${maven-compiler-plugin.version}</version>
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<configuration>
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<source>1.7</source>
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<target>1.7</target>
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</configuration>
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</plugin>
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<plugins>
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<plugin>
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<groupId>org.apache.maven.plugins</groupId>
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<artifactId>maven-surefire-plugin</artifactId>
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<version>${maven-surefire-plugin.version}</version>
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</plugin>
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<plugin>
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<groupId>org.apache.maven.plugins</groupId>
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<artifactId>maven-compiler-plugin</artifactId>
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<version>${maven-compiler-plugin.version}</version>
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<configuration>
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<source>1.7</source>
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<target>1.7</target>
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</configuration>
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</plugin>
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</plugins>
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<plugin>
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<groupId>org.apache.maven.plugins</groupId>
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<artifactId>maven-surefire-plugin</artifactId>
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<version>${maven-surefire-plugin.version}</version>
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</plugin>
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</build>
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</plugins>
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<properties>
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<!-- Spring -->
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<org.springframework.version>4.0.0.RELEASE</org.springframework.version>
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<org.springframework.security.version>3.2.0.RELEASE</org.springframework.security.version>
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</build>
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<!-- persistence -->
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<hibernate.version>4.3.0.Final</hibernate.version>
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<mysql-connector-java.version>5.1.27</mysql-connector-java.version>
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<properties>
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<!-- Spring -->
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<org.springframework.version>4.0.0.RELEASE</org.springframework.version>
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<org.springframework.security.version>3.2.0.RELEASE</org.springframework.security.version>
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<!-- marshalling -->
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<jackson.version>2.3.0</jackson.version>
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<!-- persistence -->
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<hibernate.version>4.3.0.Final</hibernate.version>
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<mysql-connector-java.version>5.1.27</mysql-connector-java.version>
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<!-- logging -->
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<org.slf4j.version>1.7.5</org.slf4j.version>
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<logback.version>1.0.11</logback.version>
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<!-- marshalling -->
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<jackson.version>2.3.0</jackson.version>
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<!-- various -->
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<hibernate-validator.version>5.0.1.Final</hibernate-validator.version>
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<!-- logging -->
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<org.slf4j.version>1.7.5</org.slf4j.version>
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<logback.version>1.0.11</logback.version>
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<!-- util -->
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<guava.version>15.0</guava.version>
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<commons-lang3.version>3.1</commons-lang3.version>
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<!-- various -->
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<hibernate-validator.version>5.0.1.Final</hibernate-validator.version>
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<!-- testing -->
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<org.hamcrest.version>1.3</org.hamcrest.version>
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<junit.version>4.11</junit.version>
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<mockito.version>1.9.5</mockito.version>
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<!-- util -->
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<guava.version>15.0</guava.version>
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<commons-lang3.version>3.1</commons-lang3.version>
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<httpcore.version>4.3</httpcore.version>
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<httpclient.version>4.3.1</httpclient.version>
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<!-- testing -->
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<org.hamcrest.version>1.3</org.hamcrest.version>
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<junit.version>4.11</junit.version>
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<mockito.version>1.9.5</mockito.version>
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<rest-assured.version>2.1.0</rest-assured.version>
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<httpcore.version>4.3</httpcore.version>
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<httpclient.version>4.3.1</httpclient.version>
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<!-- maven plugins -->
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<maven-compiler-plugin.version>3.1</maven-compiler-plugin.version>
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<maven-war-plugin.version>2.4</maven-war-plugin.version>
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<maven-surefire-plugin.version>2.16</maven-surefire-plugin.version>
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<maven-resources-plugin.version>2.6</maven-resources-plugin.version>
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<cargo-maven2-plugin.version>1.4.5</cargo-maven2-plugin.version>
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<rest-assured.version>2.1.0</rest-assured.version>
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</properties>
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<!-- maven plugins -->
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<maven-compiler-plugin.version>3.1</maven-compiler-plugin.version>
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<maven-war-plugin.version>2.4</maven-war-plugin.version>
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<maven-surefire-plugin.version>2.16</maven-surefire-plugin.version>
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<maven-resources-plugin.version>2.6</maven-resources-plugin.version>
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<cargo-maven2-plugin.version>1.4.5</cargo-maven2-plugin.version>
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</properties>
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</project>
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@ -1,15 +0,0 @@
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package org.baeldung.java;
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import org.junit.Test;
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public class CoreJava8UnitTest {
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// tests -
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@Test
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public final void when_thenCorrect() {
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final Runnable r2 = () -> System.out.println("Hello world two!");
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r2.run();
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}
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}
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@ -1,52 +0,0 @@
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package org.baeldung.java;
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import java.util.ArrayList;
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import java.util.Arrays;
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import java.util.Collections;
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import java.util.List;
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import org.apache.commons.collections4.ListUtils;
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import org.junit.Test;
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import com.google.common.collect.ImmutableList;
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public class CoreJavaUnitTest {
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// tests -
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@Test
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public final void givenUsingTheJdk_whenArrayListIsSynchronized_thenCorrect() {
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final List<String> list = new ArrayList<String>(Arrays.asList("one", "two", "three"));
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final List<String> synchronizedList = Collections.synchronizedList(list);
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System.out.println("Synchronized List is: " + synchronizedList);
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}
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@Test(expected = UnsupportedOperationException.class)
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public final void givenUsingTheJdk_whenUnmodifiableListIsCreatedFromOriginal_thenNoLongerModifiable() {
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final List<String> list = new ArrayList<String>(Arrays.asList("one", "two", "three"));
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final List<String> unmodifiableList = Collections.unmodifiableList(list);
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unmodifiableList.add("four");
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}
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@Test(expected = UnsupportedOperationException.class)
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public final void givenUsingGuava_whenUnmodifiableListIsCreatedFromOriginal_thenNoLongerModifiable() {
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final List<String> list = new ArrayList<String>(Arrays.asList("one", "two", "three"));
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final List<String> unmodifiableList = ImmutableList.copyOf(list);
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unmodifiableList.add("four");
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}
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@Test(expected = UnsupportedOperationException.class)
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public final void givenUsingGuavaBuilder_whenUnmodifiableListIsCreatedFromOriginal_thenNoLongerModifiable() {
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final List<String> list = new ArrayList<String>(Arrays.asList("one", "two", "three"));
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final ImmutableList<Object> unmodifiableList = ImmutableList.builder().addAll(list).build();
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unmodifiableList.add("four");
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}
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@Test(expected = UnsupportedOperationException.class)
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public final void givenUsingCommonsCollections_whenUnmodifiableListIsCreatedFromOriginal_thenNoLongerModifiable() {
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final List<String> list = new ArrayList<String>(Arrays.asList("one", "two", "three"));
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final List<String> unmodifiableList = ListUtils.unmodifiableList(list);
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unmodifiableList.add("four");
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}
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}
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@ -0,0 +1,24 @@
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package org.baeldung.java8;
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import static org.apache.commons.lang3.RandomStringUtils.randomAlphabetic;
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import java.util.Collections;
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import java.util.List;
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import org.baeldung.java8.entity.Human;
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import org.junit.Test;
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import com.google.common.collect.Lists;
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public class Java8ComparatorUnitTest {
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// tests -
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@Test
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public final void when_thenCorrect() {
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final List<Human> humans = Lists.newArrayList(new Human(randomAlphabetic(5)), new Human(randomAlphabetic(5)));
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Collections.sort(humans, (final Human h1, final Human h2) -> h1.getName().compareTo(h2.getName()));
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System.out.println(humans);
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}
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}
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@ -0,0 +1,64 @@
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package org.baeldung.java8.entity;
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public class Human {
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private String name;
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public Human() {
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super();
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}
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public Human(final String name) {
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super();
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this.name = name;
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}
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// API
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public String getName() {
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return name;
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}
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public void setName(final String name) {
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this.name = name;
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}
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//
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@Override
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public int hashCode() {
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final int prime = 31;
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int result = 1;
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result = prime * result + ((name == null) ? 0 : name.hashCode());
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return result;
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}
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@Override
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public boolean equals(final Object obj) {
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if (this == obj) {
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return true;
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}
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if (obj == null) {
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return false;
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}
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if (getClass() != obj.getClass()) {
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return false;
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}
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final Human other = (Human) obj;
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if (name == null) {
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if (other.name != null) {
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return false;
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}
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} else if (!name.equals(other.name)) {
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return false;
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}
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return true;
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}
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@Override
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public String toString() {
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final StringBuilder builder = new StringBuilder();
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builder.append("Human [name=").append(name).append("]");
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return builder.toString();
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}
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}
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