Merge branch 'master' of https://github.com/eugenp/tutorials into BAEL-15942
This commit is contained in:
amit2103
commit
57c7b8bd97
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@ -0,0 +1,26 @@
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*.class
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0.*
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#folders#
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/target
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/neoDb*
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/data
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/src/main/webapp/WEB-INF/classes
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*/META-INF/*
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.resourceCache
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# Packaged files #
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*.jar
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*.war
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*.ear
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# Files generated by integration tests
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*.txt
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backup-pom.xml
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/bin/
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/temp
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#IntelliJ specific
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.idea/
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*.iml
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@ -0,0 +1,135 @@
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<project xmlns="http://maven.apache.org/POM/4.0.0"
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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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<artifactId>java-numbers-2</artifactId>
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<version>0.1.0-SNAPSHOT</version>
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<name>java-numbers-2</name>
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<packaging>jar</packaging>
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<parent>
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<groupId>com.baeldung</groupId>
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<artifactId>parent-java</artifactId>
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<version>0.0.1-SNAPSHOT</version>
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<relativePath>../parent-java</relativePath>
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</parent>
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<dependencies>
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<dependency>
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<groupId>log4j</groupId>
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<artifactId>log4j</artifactId>
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<version>${log4j.version}</version>
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</dependency>
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<dependency>
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<groupId>org.slf4j</groupId>
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<artifactId>slf4j-api</artifactId>
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<version>${org.slf4j.version}</version>
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</dependency>
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<dependency>
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<groupId>ch.qos.logback</groupId>
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<artifactId>logback-classic</artifactId>
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<version>${logback.version}</version>
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</dependency>
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<dependency>
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<groupId>org.openjdk.jmh</groupId>
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<artifactId>jmh-core</artifactId>
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<version>${jmh-core.version}</version>
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</dependency>
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<dependency>
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<groupId>org.openjdk.jmh</groupId>
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<artifactId>jmh-generator-annprocess</artifactId>
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<version>${jmh-generator.version}</version>
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</dependency>
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<dependency>
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<groupId>org.apache.commons</groupId>
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<artifactId>commons-math3</artifactId>
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<version>${commons-math3.version}</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-lang3</artifactId>
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<version>${commons-lang3.version}</version>
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</dependency>
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<dependency>
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<groupId>org.decimal4j</groupId>
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<artifactId>decimal4j</artifactId>
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<version>${decimal4j.version}</version>
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</dependency>
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<dependency>
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<groupId>org.assertj</groupId>
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<artifactId>assertj-core</artifactId>
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<version>${assertj.version}</version>
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<scope>test</scope>
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</dependency>
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</dependencies>
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<build>
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<finalName>java-numbers-2</finalName>
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<resources>
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<resource>
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<directory>src/main/resources</directory>
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<filtering>true</filtering>
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</resource>
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</resources>
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<plugins>
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<plugin>
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<groupId>org.apache.maven.plugins</groupId>
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<artifactId>maven-javadoc-plugin</artifactId>
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<version>${maven-javadoc-plugin.version}</version>
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<configuration>
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<source>1.8</source>
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<target>1.8</target>
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</configuration>
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</plugin>
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</plugins>
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</build>
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<profiles>
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<profile>
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<id>integration</id>
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<build>
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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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<executions>
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<execution>
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<phase>integration-test</phase>
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<goals>
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<goal>test</goal>
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</goals>
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<configuration>
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<includes>
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<include>**/*IntegrationTest.java</include>
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</includes>
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</configuration>
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</execution>
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</executions>
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<configuration>
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<systemPropertyVariables>
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<test.mime>json</test.mime>
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</systemPropertyVariables>
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</configuration>
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</plugin>
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</plugins>
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</build>
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</profile>
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</profiles>
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<properties>
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<commons-math3.version>3.6.1</commons-math3.version>
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<decimal4j.version>1.0.3</decimal4j.version>
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<commons-lang3.version>3.5</commons-lang3.version>
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<assertj.version>3.6.1</assertj.version>
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<org.slf4j.version>1.7.21</org.slf4j.version>
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<logback.version>1.1.7</logback.version>
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<maven-surefire-plugin.version>2.21.0</maven-surefire-plugin.version>
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<maven-javadoc-plugin.version>3.0.0-M1</maven-javadoc-plugin.version>
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<maven-jar-plugin.version>3.0.2</maven-jar-plugin.version>
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</properties>
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</project>
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@ -0,0 +1,68 @@
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package com.baeldung.lossyconversion;
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import static org.junit.Assert.assertEquals;
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import static org.junit.Assert.assertTrue;
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import org.junit.jupiter.api.Test;
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public class ConversionTechniquesUnitTest {
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@Test
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public void testPrimitiveConversion() {
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long longNum = 24;
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short shortNum = (short) longNum;
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assertEquals(24, shortNum);
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double doubleNum = 15.6;
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int integerNum = (int) doubleNum;
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assertEquals(15, integerNum);
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long largeLongNum = 32768;
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short minShortNum = (short) largeLongNum;
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assertEquals(-32768, minShortNum);
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long smallLongNum = -32769;
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short maxShortNum = (short) smallLongNum;
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assertEquals(32767, maxShortNum);
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long maxLong = Long.MAX_VALUE;
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int minInt = (int) maxLong;
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assertEquals(-1, minInt);
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long minLong = Long.MIN_VALUE;
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int maxInt = (int) minLong;
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assertEquals(0, maxInt);
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}
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@Test
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public void testWrapperToPrimitiveConversion() {
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Float floatNum = 17.564f;
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long longNum = floatNum.longValue();
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assertEquals(17, longNum);
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Double doubleNum = 15.9999;
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longNum = doubleNum.longValue();
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assertEquals(15, longNum);
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}
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@Test
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public void testWrapperToPrimitiveConversionUsingMathRound() {
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Double doubleNum = 15.9999;
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long longNum = Math.round(doubleNum);
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assertEquals(16, longNum);
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}
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@Test
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public void testWrapperConversion() {
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Double doubleNum = 10.3;
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double dbl = doubleNum.doubleValue(); //unboxing
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int intgr = (int) dbl; //downcasting
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Integer intNum = Integer.valueOf(intgr);
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assertEquals(Integer.valueOf(10), intNum);
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}
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}
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3
pom.xml
3
pom.xml
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@ -461,6 +461,7 @@
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<!-- <module>java-ee-8-security-api</module> --> <!-- long running -->
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<module>java-lite</module>
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<module>java-numbers</module>
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<module>java-numbers-2</module>
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<module>java-rmi</module>
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<module>java-spi</module>
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<module>java-streams</module>
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@ -987,7 +988,6 @@
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<module>jws</module>
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<module>libraries</module> <!-- very long running -->
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<module>persistence-modules/hibernate5</module>
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<module>persistence-modules/hibernate-mapping</module>
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<module>persistence-modules/java-jpa</module>
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<module>java-ee-8-security-api</module>
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<module>java-lite</module>
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<module>java-numbers</module>
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<module>java-numbers-2</module>
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<module>java-rmi</module>
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<module>java-spi</module>
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<module>java-streams</module>
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