Merge branch 'eugenp:master' into master

core-java-modules/core-java-9-improvements/src/test/java/com/baeldung/java9/io/conversion/InputStreamToByteArrayUnitTest.java

@@ -15,24 +15,43 @@ public class InputStreamToByteArrayUnitTest {
 
     @Test
     public final void givenUsingPlainJavaOnFixedSizeStream_whenConvertingAnInputStreamToAByteArray_thenCorrect() throws IOException {
-        final InputStream initialStream = new ByteArrayInputStream(new byte[] { 0, 1, 2 });
+        final InputStream is = new ByteArrayInputStream(new byte[] { 0, 1, 2 });
-        final byte[] targetArray = new byte[initialStream.available()];
+        final byte[] targetArray = new byte[is.available()];
-        initialStream.read(targetArray);
+
+        is.read(targetArray);
     }
 
     @Test
     public final void givenUsingPlainJavaOnUnknownSizeStream_whenConvertingAnInputStreamToAByteArray_thenCorrect() throws IOException {
-        final InputStream is = new ByteArrayInputStream(new byte[] { 0, 1, 2 });
+        final InputStream is = new ByteArrayInputStream(new byte[] { 0, 1, 2, 3, 4, 5, 6 });
-
         final ByteArrayOutputStream buffer = new ByteArrayOutputStream();
+
         int nRead;
-        final byte[] data = new byte[1024];
+        final byte[] data = new byte[4];
+
         while ((nRead = is.read(data, 0, data.length)) != -1) {
             buffer.write(data, 0, nRead);
         }
 
         buffer.flush();
-        final byte[] byteArray = buffer.toByteArray();
+        final byte[] targetArray = buffer.toByteArray();
+    }
+
+    @Test
+    public final void givenUsingPlainJava9OnUnknownSizeStream_whenConvertingAnInputStreamToAByteArray_thenCorrect() throws IOException {
+        final InputStream is = new ByteArrayInputStream(new byte[] { 0, 1, 2, 3, 4, 5, 6 });
+        final ByteArrayOutputStream buffer = new ByteArrayOutputStream();
+
+        int nRead;
+        final byte[] data = new byte[4];
+
+        while ((nRead = is.readNBytes(data, 0, data.length)) != 0) {
+            System.out.println("here " + nRead);
+            buffer.write(data, 0, nRead);
+        }
+
+        buffer.flush();
+        final byte[] targetArray = buffer.toByteArray();
     }
 
     @Test

core-java-modules/core-java-arrays-guides/src/main/java/com/baeldung/array/MaxSizeArray.java

@@ -0,0 +1,15 @@
+package com.baeldung.array;
+
+public class MaxSizeArray {
+
+    public static void main(String... strings) {
+        for (int i = 2; i >= 0; i--) {
+            try {
+                int[] arr = new int[Integer.MAX_VALUE - i];
+                System.out.println("Max-Size : "+ arr.length);
+            } catch (Throwable t) {
+                t.printStackTrace();
+            }
+        }
+    }
+}

core-java-modules/core-java-arrays-guides/src/test/java/com/baeldung/arrays/MaxArrySizeUnitTest.java

@@ -0,0 +1,30 @@
+package com.baeldung.arrays;
+
+import org.junit.Assert;
+import org.junit.Test;
+
+public class MaxArrySizeUnitTest {
+
+    @Test
+    public void whenInitialArrayMoreThanMaxSize_thenThrowArray() {
+        boolean initalized = false;
+        try {
+            int[] arr = new int[Integer.MAX_VALUE - 1];
+            initalized = true;
+        } catch (Throwable e) {
+            Assert.assertTrue(e.getMessage().contains("Requested array size exceeds VM limit"));
+        }
+        Assert.assertFalse(initalized);
+    }
+
+    @Test
+    public void whenInitialArrayLessThanMaxSize_thenThrowArray() {
+        int[] arr = null;
+        try {
+            arr = new int[Integer.MAX_VALUE - 2];
+        } catch (Throwable e) {
+            Assert.assertTrue(e.getMessage().contains("Java heap space"));
+        }
+    }
+
+}

core-java-modules/core-java-lang-operators-2/README.md

@@ -0,0 +1,5 @@
+## Core Java Operators
+
+This module contains articles about Java operators
+
+## Relevant Articles:

core-java-modules/core-java-lang-operators-2/pom.xml

@@ -0,0 +1,49 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<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">
+    <modelVersion>4.0.0</modelVersion>
+    <artifactId>core-java-lang-operators-2</artifactId>
+    <version>0.1.0-SNAPSHOT</version>
+    <name>core-java-lang-operators-2</name>
+    <packaging>jar</packaging>
+
+    <parent>
+        <groupId>com.baeldung.core-java-modules</groupId>
+        <artifactId>core-java-modules</artifactId>
+        <version>0.0.1-SNAPSHOT</version>
+        <relativePath>../</relativePath>
+    </parent>
+
+    <dependencies>
+        <dependency>
+            <groupId>org.projectlombok</groupId>
+            <artifactId>lombok</artifactId>
+            <version>${lombok.version}</version>
+            <scope>provided</scope>
+        </dependency>
+        <!-- test scoped -->
+        <dependency>
+            <groupId>org.assertj</groupId>
+            <artifactId>assertj-core</artifactId>
+            <version>${assertj-core.version}</version>
+            <scope>test</scope>
+        </dependency>
+    </dependencies>
+
+    <build>
+        <finalName>core-java-lang-operators-2</finalName>
+        <resources>
+            <resource>
+                <directory>src/main/resources</directory>
+                <filtering>true</filtering>
+            </resource>
+        </resources>
+    </build>
+
+    <properties>
+        <!-- testing -->
+        <assertj-core.version>3.10.0</assertj-core.version>
+    </properties>
+
+</project>

core-java-modules/core-java-lang-operators-2/src/test/java/com/baeldung/oroperators/BitwiseAndLogicalOROperatorUnitTest.java

@@ -0,0 +1,4 @@
+package com.baeldung.oroperators;
+
+public class BitwiseAndLogicalOROperatorUnitTest {
+}

core-java-modules/core-java-networking-3/pom.xml

@@ -36,16 +36,29 @@
             <version>${assertj.version}</version>
             <scope>test</scope>
         </dependency>
+        <dependency>
+            <groupId>junit</groupId>
+            <artifactId>junit</artifactId>
+            <version>4.11</version>
+            <scope>test</scope>
+        </dependency>
+        <dependency>
+            <groupId>com.sun.mail</groupId>
+            <artifactId>javax.mail</artifactId>
+            <version>1.6.2</version>
+        </dependency>
     </dependencies>
 
     <build>
         <finalName>core-java-networking-3</finalName>
+        <pluginManagement>
             <plugins>
                 <plugin>
                     <groupId>org.apache.maven.plugins</groupId>
                     <artifactId>maven-compiler-plugin</artifactId>
                 </plugin>
             </plugins>
+        </pluginManagement>
     </build>
 
     <properties>

core-java-modules/core-java-networking-3/src/main/java/com/baeldung/downloadattachments/DownloadEmailAttachments.java

@@ -0,0 +1,112 @@
+package com.baeldung.downloadattachments;
+
+import java.io.File;
+import java.io.IOException;
+import java.util.ArrayList;
+import java.util.List;
+import java.util.Properties;
+
+import javax.mail.Address;
+import javax.mail.Folder;
+import javax.mail.Message;
+import javax.mail.MessagingException;
+import javax.mail.Multipart;
+import javax.mail.NoSuchProviderException;
+import javax.mail.Part;
+import javax.mail.Session;
+import javax.mail.Store;
+import javax.mail.internet.MimeBodyPart;
+
+public class DownloadEmailAttachments {
+    private String downloadDirectory;
+
+    public void setSaveDirectory(String dir) {
+        this.downloadDirectory = dir;
+    }
+
+    public void downloadEmailAttachments(String host, String port, String userName, String password) throws NoSuchProviderException, MessagingException, IOException {
+        Properties properties = setMailServerProperties(host, port);
+        Store store = setSessionStoreProperties(userName, password, properties);
+        Folder inbox = store.getFolder("INBOX");
+        inbox.open(Folder.READ_ONLY);
+        Message[] arrayMessages = inbox.getMessages();
+        for (int i = 0; i < arrayMessages.length; i++) {
+            Message message = arrayMessages[i];
+            Address[] fromAddress = message.getFrom();
+            String from = fromAddress[0].toString();
+            String subject = message.getSubject();
+            String sentDate = message.getSentDate().toString();
+            List<String> attachments = new ArrayList<String>();
+            if (message.getContentType().contains("multipart")) {
+                attachments = downloadAttachments(message);
+            }
+
+            System.out.println("Message #" + (i + 1) + ":");
+            System.out.println(" From: " + from);
+            System.out.println(" Subject: " + subject);
+            System.out.println(" Sent Date: " + sentDate);
+            System.out.println(" Attachments: " + attachments);
+        }
+        inbox.close(false);
+        store.close();
+    }
+
+    public List<String> downloadAttachments(Message message) throws IOException, MessagingException {
+        List<String> downloadedAttachments = new ArrayList<String>();
+        Multipart multiPart = (Multipart) message.getContent();
+        int numberOfParts = multiPart.getCount();
+        for (int partCount = 0; partCount < numberOfParts; partCount++) {
+            MimeBodyPart part = (MimeBodyPart) multiPart.getBodyPart(partCount);
+            if (Part.ATTACHMENT.equalsIgnoreCase(part.getDisposition())) {
+                String file = part.getFileName();
+                part.saveFile(downloadDirectory + File.separator + part.getFileName());
+                downloadedAttachments.add(file);
+            }
+        }
+
+        return downloadedAttachments;
+    }
+
+    public Store setSessionStoreProperties(String userName, String password, Properties properties) throws NoSuchProviderException, MessagingException {
+        Session session = Session.getDefaultInstance(properties);
+
+        Store store = session.getStore("pop3");
+        store.connect(userName, password);
+        return store;
+    }
+
+    public Properties setMailServerProperties(String host, String port) {
+        Properties properties = new Properties();
+
+        properties.put("mail.pop3.host", host);
+        properties.put("mail.pop3.port", port);
+
+        properties.setProperty("mail.pop3.socketFactory.class", "javax.net.ssl.SSLSocketFactory");
+        properties.setProperty("mail.pop3.socketFactory.fallback", "false");
+        properties.setProperty("mail.pop3.socketFactory.port", String.valueOf(port));
+        return properties;
+    }
+
+    public static void main(String[] args) {
+        String host = "pop.gmail.com";
+        String port = "995";
+        String userName = "your_email";
+        String password = "your_password";
+
+        String saveDirectory = "valid_folder_path";
+
+        DownloadEmailAttachments receiver = new DownloadEmailAttachments();
+        receiver.setSaveDirectory(saveDirectory);
+        try {
+            receiver.downloadEmailAttachments(host, port, userName, password);
+        } catch (NoSuchProviderException ex) {
+            System.out.println("No provider for pop3.");
+            ex.printStackTrace();
+        } catch (MessagingException ex) {
+            System.out.println("Could not connect to the message store");
+            ex.printStackTrace();
+        } catch (IOException ex) {
+            ex.printStackTrace();
+        }
+    }
+}

core-java-modules/core-java-networking-3/src/test/java/com/baeldung/downloadattachments/DownloadEmailAttachmentsLiveTest.java

@@ -0,0 +1,25 @@
+package com.baeldung.downloadattachments;
+
+import static org.junit.Assert.fail;
+import org.junit.Test;
+
+public class DownloadEmailAttachmentsLiveTest {
+    @Test
+    public void when_Run_then_downloadAttachments() {
+
+        String host = "pop.gmail.com";
+        String port = "995";
+        String userName = "your_email";
+        String password = "your_password";
+
+        String saveDirectory = "valid_folder_path";
+
+        DownloadEmailAttachments receiver = new DownloadEmailAttachments();
+        receiver.setSaveDirectory(saveDirectory);
+        try {
+            receiver.downloadEmailAttachments(host, port, userName, password);
+        } catch (Exception ex) {
+            fail("Exception: " + ex);
+        }
+    }
+}

core-java-modules/core-java/README.md

@@ -11,3 +11,4 @@
 - [What is the serialVersionUID?](http://www.baeldung.com/java-serial-version-uid)
 - [A Guide to the ResourceBundle](http://www.baeldung.com/java-resourcebundle)
 - [Merging java.util.Properties Objects](https://www.baeldung.com/java-merging-properties)
+- [Deserialization Vulnerabilities in Java](https://www.baeldung.com/java-deserialization-vulnerabilities)

core-java-modules/pom.xml

@@ -86,6 +86,7 @@
         <module>core-java-lang-oop-methods</module>
         <module>core-java-lang-oop-others</module>
         <module>core-java-lang-operators</module>
+        <module>core-java-lang-operators-2</module>
         <module>core-java-lang-syntax</module>
         <module>core-java-lang-syntax-2</module>
         <module>core-java-networking</module>

gradle/.gitignore

@@ -1 +1,7 @@
 /.gradle/
+
+**/build/**
+/build/
+
+# exclude jar for gradle wrapper
+!**/gradle/wrapper/*.jar

gradle/gradle-cucumber/build.gradle

@@ -0,0 +1,68 @@
+import org.gradle.api.tasks.testing.logging.TestLogEvent
+
+plugins {
+    id 'java'
+    id 'se.thinkcode.cucumber-runner' version '0.0.8'
+}
+
+ext {
+    junitVersion = '5.7.2'
+    cucumberVersion = '6.10.4'
+}
+
+group 'com.baeldung'
+version '1.0-SNAPSHOT'
+
+repositories {
+    mavenCentral()
+}
+
+java {
+    sourceCompatibility = JavaVersion.VERSION_11
+    targetCompatibility = JavaVersion.VERSION_11
+}
+
+dependencies {
+    testImplementation "org.junit.jupiter:junit-jupiter-api:${junitVersion}"
+    testRuntimeOnly "org.junit.jupiter:junit-jupiter-engine:${junitVersion}"
+
+    testImplementation "io.cucumber:cucumber-java:${cucumberVersion}"
+
+    testImplementation "io.cucumber:cucumber-junit:${cucumberVersion}"
+    testImplementation "org.junit.vintage:junit-vintage-engine:${junitVersion}"
+}
+
+configurations {
+    cucumberRuntime {
+        extendsFrom testImplementation
+    }
+}
+
+task cucumberCli() {
+    dependsOn assemble, testClasses
+    doLast {
+        javaexec {
+            main = "io.cucumber.core.cli.Main"
+            classpath = configurations.cucumberRuntime + sourceSets.main.output + sourceSets.test.output
+            args = [
+              '--plugin', 'pretty',
+              '--plugin', 'html:target/cucumber-report.html',
+              '--glue', 'com.baeldung.cucumber',
+              'src/test/resources']
+        }
+    }
+}
+
+cucumber {
+    main = 'io.cucumber.core.cli.Main'
+}
+
+test {
+    useJUnitPlatform()
+
+    testLogging {
+        events TestLogEvent.FAILED, TestLogEvent.PASSED, TestLogEvent.SKIPPED
+    }
+
+    systemProperties(project.gradle.startParameter.systemPropertiesArgs)
+}

gradle/gradle-cucumber/gradle/wrapper/gradle-wrapper.properties

@@ -0,0 +1,5 @@
+distributionBase=GRADLE_USER_HOME
+distributionPath=wrapper/dists
+distributionUrl=https\://services.gradle.org/distributions/gradle-6.8-bin.zip
+zipStoreBase=GRADLE_USER_HOME
+zipStorePath=wrapper/dists

gradle/gradle-cucumber/gradlew

@@ -0,0 +1,185 @@
+#!/usr/bin/env sh
+
+#
+# Copyright 2015 the original author or authors.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      https://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+
+##############################################################################
+##
+##  Gradle start up script for UN*X
+##
+##############################################################################
+
+# Attempt to set APP_HOME
+# Resolve links: $0 may be a link
+PRG="$0"
+# Need this for relative symlinks.
+while [ -h "$PRG" ] ; do
+    ls=`ls -ld "$PRG"`
+    link=`expr "$ls" : '.*-> \(.*\)$'`
+    if expr "$link" : '/.*' > /dev/null; then
+        PRG="$link"
+    else
+        PRG=`dirname "$PRG"`"/$link"
+    fi
+done
+SAVED="`pwd`"
+cd "`dirname \"$PRG\"`/" >/dev/null
+APP_HOME="`pwd -P`"
+cd "$SAVED" >/dev/null
+
+APP_NAME="Gradle"
+APP_BASE_NAME=`basename "$0"`
+
+# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
+DEFAULT_JVM_OPTS='"-Xmx64m" "-Xms64m"'
+
+# Use the maximum available, or set MAX_FD != -1 to use that value.
+MAX_FD="maximum"
+
+warn () {
+    echo "$*"
+}
+
+die () {
+    echo
+    echo "$*"
+    echo
+    exit 1
+}
+
+# OS specific support (must be 'true' or 'false').
+cygwin=false
+msys=false
+darwin=false
+nonstop=false
+case "`uname`" in
+  CYGWIN* )
+    cygwin=true
+    ;;
+  Darwin* )
+    darwin=true
+    ;;
+  MINGW* )
+    msys=true
+    ;;
+  NONSTOP* )
+    nonstop=true
+    ;;
+esac
+
+CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar
+
+
+# Determine the Java command to use to start the JVM.
+if [ -n "$JAVA_HOME" ] ; then
+    if [ -x "$JAVA_HOME/jre/sh/java" ] ; then
+        # IBM's JDK on AIX uses strange locations for the executables
+        JAVACMD="$JAVA_HOME/jre/sh/java"
+    else
+        JAVACMD="$JAVA_HOME/bin/java"
+    fi
+    if [ ! -x "$JAVACMD" ] ; then
+        die "ERROR: JAVA_HOME is set to an invalid directory: $JAVA_HOME
+
+Please set the JAVA_HOME variable in your environment to match the
+location of your Java installation."
+    fi
+else
+    JAVACMD="java"
+    which java >/dev/null 2>&1 || die "ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
+
+Please set the JAVA_HOME variable in your environment to match the
+location of your Java installation."
+fi
+
+# Increase the maximum file descriptors if we can.
+if [ "$cygwin" = "false" -a "$darwin" = "false" -a "$nonstop" = "false" ] ; then
+    MAX_FD_LIMIT=`ulimit -H -n`
+    if [ $? -eq 0 ] ; then
+        if [ "$MAX_FD" = "maximum" -o "$MAX_FD" = "max" ] ; then
+            MAX_FD="$MAX_FD_LIMIT"
+        fi
+        ulimit -n $MAX_FD
+        if [ $? -ne 0 ] ; then
+            warn "Could not set maximum file descriptor limit: $MAX_FD"
+        fi
+    else
+        warn "Could not query maximum file descriptor limit: $MAX_FD_LIMIT"
+    fi
+fi
+
+# For Darwin, add options to specify how the application appears in the dock
+if $darwin; then
+    GRADLE_OPTS="$GRADLE_OPTS \"-Xdock:name=$APP_NAME\" \"-Xdock:icon=$APP_HOME/media/gradle.icns\""
+fi
+
+# For Cygwin or MSYS, switch paths to Windows format before running java
+if [ "$cygwin" = "true" -o "$msys" = "true" ] ; then
+    APP_HOME=`cygpath --path --mixed "$APP_HOME"`
+    CLASSPATH=`cygpath --path --mixed "$CLASSPATH"`
+
+    JAVACMD=`cygpath --unix "$JAVACMD"`
+
+    # We build the pattern for arguments to be converted via cygpath
+    ROOTDIRSRAW=`find -L / -maxdepth 1 -mindepth 1 -type d 2>/dev/null`
+    SEP=""
+    for dir in $ROOTDIRSRAW ; do
+        ROOTDIRS="$ROOTDIRS$SEP$dir"
+        SEP="|"
+    done
+    OURCYGPATTERN="(^($ROOTDIRS))"
+    # Add a user-defined pattern to the cygpath arguments
+    if [ "$GRADLE_CYGPATTERN" != "" ] ; then
+        OURCYGPATTERN="$OURCYGPATTERN|($GRADLE_CYGPATTERN)"
+    fi
+    # Now convert the arguments - kludge to limit ourselves to /bin/sh
+    i=0
+    for arg in "$@" ; do
+        CHECK=`echo "$arg"|egrep -c "$OURCYGPATTERN" -`
+        CHECK2=`echo "$arg"|egrep -c "^-"`                                 ### Determine if an option
+
+        if [ $CHECK -ne 0 ] && [ $CHECK2 -eq 0 ] ; then                    ### Added a condition
+            eval `echo args$i`=`cygpath --path --ignore --mixed "$arg"`
+        else
+            eval `echo args$i`="\"$arg\""
+        fi
+        i=`expr $i + 1`
+    done
+    case $i in
+        0) set -- ;;
+        1) set -- "$args0" ;;
+        2) set -- "$args0" "$args1" ;;
+        3) set -- "$args0" "$args1" "$args2" ;;
+        4) set -- "$args0" "$args1" "$args2" "$args3" ;;
+        5) set -- "$args0" "$args1" "$args2" "$args3" "$args4" ;;
+        6) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" ;;
+        7) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" ;;
+        8) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" ;;
+        9) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" "$args8" ;;
+    esac
+fi
+
+# Escape application args
+save () {
+    for i do printf %s\\n "$i" | sed "s/'/'\\\\''/g;1s/^/'/;\$s/\$/' \\\\/" ; done
+    echo " "
+}
+APP_ARGS=`save "$@"`
+
+# Collect all arguments for the java command, following the shell quoting and substitution rules
+eval set -- $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS "\"-Dorg.gradle.appname=$APP_BASE_NAME\"" -classpath "\"$CLASSPATH\"" org.gradle.wrapper.GradleWrapperMain "$APP_ARGS"
+
+exec "$JAVACMD" "$@"

gradle/gradle-cucumber/gradlew.bat

@@ -0,0 +1,89 @@
+@rem
+@rem Copyright 2015 the original author or authors.
+@rem
+@rem Licensed under the Apache License, Version 2.0 (the "License");
+@rem you may not use this file except in compliance with the License.
+@rem You may obtain a copy of the License at
+@rem
+@rem      https://www.apache.org/licenses/LICENSE-2.0
+@rem
+@rem Unless required by applicable law or agreed to in writing, software
+@rem distributed under the License is distributed on an "AS IS" BASIS,
+@rem WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+@rem See the License for the specific language governing permissions and
+@rem limitations under the License.
+@rem
+
+@if "%DEBUG%" == "" @echo off
+@rem ##########################################################################
+@rem
+@rem  Gradle startup script for Windows
+@rem
+@rem ##########################################################################
+
+@rem Set local scope for the variables with windows NT shell
+if "%OS%"=="Windows_NT" setlocal
+
+set DIRNAME=%~dp0
+if "%DIRNAME%" == "" set DIRNAME=.
+set APP_BASE_NAME=%~n0
+set APP_HOME=%DIRNAME%
+
+@rem Resolve any "." and ".." in APP_HOME to make it shorter.
+for %%i in ("%APP_HOME%") do set APP_HOME=%%~fi
+
+@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
+set DEFAULT_JVM_OPTS="-Xmx64m" "-Xms64m"
+
+@rem Find java.exe
+if defined JAVA_HOME goto findJavaFromJavaHome
+
+set JAVA_EXE=java.exe
+%JAVA_EXE% -version >NUL 2>&1
+if "%ERRORLEVEL%" == "0" goto execute
+
+echo.
+echo ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
+echo.
+echo Please set the JAVA_HOME variable in your environment to match the
+echo location of your Java installation.
+
+goto fail
+
+:findJavaFromJavaHome
+set JAVA_HOME=%JAVA_HOME:"=%
+set JAVA_EXE=%JAVA_HOME%/bin/java.exe
+
+if exist "%JAVA_EXE%" goto execute
+
+echo.
+echo ERROR: JAVA_HOME is set to an invalid directory: %JAVA_HOME%
+echo.
+echo Please set the JAVA_HOME variable in your environment to match the
+echo location of your Java installation.
+
+goto fail
+
+:execute
+@rem Setup the command line
+
+set CLASSPATH=%APP_HOME%\gradle\wrapper\gradle-wrapper.jar
+
+
+@rem Execute Gradle
+"%JAVA_EXE%" %DEFAULT_JVM_OPTS% %JAVA_OPTS% %GRADLE_OPTS% "-Dorg.gradle.appname=%APP_BASE_NAME%" -classpath "%CLASSPATH%" org.gradle.wrapper.GradleWrapperMain %*
+
+:end
+@rem End local scope for the variables with windows NT shell
+if "%ERRORLEVEL%"=="0" goto mainEnd
+
+:fail
+rem Set variable GRADLE_EXIT_CONSOLE if you need the _script_ return code instead of
+rem the _cmd.exe /c_ return code!
+if  not "" == "%GRADLE_EXIT_CONSOLE%" exit 1
+exit /b 1
+
+:mainEnd
+if "%OS%"=="Windows_NT" endlocal
+
+:omega

gradle/gradle-cucumber/settings.gradle

@@ -0,0 +1 @@
+rootProject.name = 'gradle-cucumber'

gradle/gradle-cucumber/src/main/java/com/baeldung/Account.java

@@ -0,0 +1,18 @@
+package com.baeldung;
+
+public class Account {
+
+    private Double balance;
+
+    public Account(Double initialBalance) {
+        this.balance = initialBalance;
+    }
+
+    public void credit(Double amount) {
+        balance += amount;
+    }
+
+    public Double getBalance() {
+        return balance;
+    }
+}

gradle/gradle-cucumber/src/test/java/com/baeldung/cucumber/RunCucumberTest.java

@@ -0,0 +1,14 @@
+package com.baeldung.cucumber;
+
+import io.cucumber.junit.Cucumber;
+import io.cucumber.junit.CucumberOptions;
+import org.junit.runner.RunWith;
+
+@RunWith(Cucumber.class)
+@CucumberOptions(
+  plugin = {"pretty", "html:target/cucumber-report.html"},
+  features = {"src/test/resources"}
+)
+public class RunCucumberTest {
+
+}

gradle/gradle-cucumber/src/test/java/com/baeldung/cucumber/StepDefinitions.java

@@ -0,0 +1,28 @@
+package com.baeldung.cucumber;
+
+import com.baeldung.Account;
+import io.cucumber.java.en.Given;
+import io.cucumber.java.en.Then;
+import io.cucumber.java.en.When;
+
+import static org.junit.jupiter.api.Assertions.assertEquals;
+
+public class StepDefinitions {
+
+    private Account account;
+
+    @Given("account balance is {double}")
+    public void givenAccountBalance(Double initialBalance) {
+        account = new Account(initialBalance);
+    }
+
+    @When("the account is credited with {double}")
+    public void whenAccountIsCredited(Double amount) {
+        account.credit(amount);
+    }
+
+    @Then("account should have a balance of {double}")
+    public void thenAccountShouldHaveBalance(Double expectedBalance) {
+        assertEquals(expectedBalance, account.getBalance());
+    }
+}

gradle/gradle-cucumber/src/test/resources/features/account_credited.feature

@@ -0,0 +1,6 @@
+Feature: Account is credited with amount
+
+  Scenario: Credit amount
+    Given account balance is 0.0
+    When the account is credited with 10.0
+    Then account should have a balance of 10.0

maven-modules/maven-pom-types/README.md

@@ -0,0 +1,3 @@
+### Relevant Articles:
+
+- [Difference Between Super, Simplest, and Effective POM](https://www.baeldung.com/maven-super-simplest-effective-pom)

parent-spring-5/pom.xml

@@ -30,7 +30,7 @@
     </dependencies>
 
     <properties>
-        <spring.version>5.3.3</spring.version>
+        <spring.version>5.3.7</spring.version>
         <spring-security.version>5.2.3.RELEASE</spring-security.version>
         <spring-boot-starter-test.version>1.5.10.RELEASE</spring-boot-starter-test.version>
     </properties>

spring-boot-modules/spring-boot-annotations/README.md

@@ -11,3 +11,4 @@ This module contains articles about Spring Boot annotations
 - [Spring Bean Annotations](https://www.baeldung.com/spring-bean-annotations)
 - [Difference Between @ComponentScan and @EnableAutoConfiguration in Spring Boot](https://www.baeldung.com/spring-componentscan-vs-enableautoconfiguration)
 - [Where Should the Spring @Service Annotation Be Kept?](https://www.baeldung.com/spring-service-annotation-placement)
+- [Spring Conditional Annotations](https://www.baeldung.com/spring-conditional-annotations)

spring-core-5/README.md

@@ -7,4 +7,5 @@ This module contains articles about core Spring functionality
 - [Spring @Component Annotation](https://www.baeldung.com/spring-component-annotation)
 - [Solving Spring’s “not eligible for auto-proxying” Warning](https://www.baeldung.com/spring-not-eligible-for-auto-proxying)
 - [Spring Bean Names](https://www.baeldung.com/spring-bean-names)
+- [AliasFor Annotation in Spring](https://www.baeldung.com/spring-aliasfor-annotation)
 - More articles: [[<-- prev]](/spring-core-4)

spring-web-modules/spring-mvc-forms-thymeleaf/README.md

@@ -6,4 +6,5 @@ This module contains articles about Spring MVC Forms using Thymeleaf
 
 - [Session Attributes in Spring MVC](https://www.baeldung.com/spring-mvc-session-attributes)
 - [Binding a List in Thymeleaf](https://www.baeldung.com/thymeleaf-list)
+- [Multipart Request Handling in Spring](https://www.baeldung.com/sprint-boot-multipart-requests)