JAVA-11495 Moved gradle modules to gradle-modules

gradle-modules/README.md

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+## Akka 
+
+This module contains modules about Akka. 

gradle-modules/gradle-5/.gitignore

@@ -0,0 +1,2 @@
+**/build/**
+/build/

gradle-modules/gradle-5/README.md

@@ -0,0 +1,4 @@
+### Relevant Articles:
+
+- [Run a Java main Method Using Gradle](https://www.baeldung.com/gradle-run-java-main)
+- [Finding Unused Gradle Dependencies](https://www.baeldung.com/gradle-finding-unused-dependencies)

gradle-modules/gradle-5/build.gradle

@@ -0,0 +1,21 @@
+plugins{
+    id "nebula.lint" version "16.9.0"
+}
+
+description = "Gradle 5 root project"
+allprojects {
+    apply plugin :"java"
+    apply plugin :"nebula.lint"
+    gradleLint {
+        rules=['unused-dependency']
+        reportFormat = 'text'
+    }
+    group = "com.baeldung"
+    version = "0.0.1"
+    sourceCompatibility = "1.8"
+    targetCompatibility = "1.8"
+
+    repositories {
+        jcenter()
+    }
+}

gradle-modules/gradle-5/cmd-line-args/README.md

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+## Relevant Articles:
+
+- [Passing Command Line Arguments in Gradle](https://www.baeldung.com/gradle-command-line-arguments)

gradle-modules/gradle-5/cmd-line-args/build.gradle

@@ -0,0 +1,38 @@
+apply plugin: "java"
+apply plugin: "application"
+description = "Gradle Command Line Arguments examples"
+
+ext.javaMainClass = "com.baeldung.cmd.MainClass"
+
+application {
+    mainClassName = javaMainClass
+}
+
+task propertyTypes(){
+    doLast{
+        if (project.hasProperty("args")) {
+            println "Our input argument with project property ["+project.getProperty("args")+"]"
+        }
+        println "Our input argument with system property ["+System.getProperty("args")+"]"
+    }
+}
+
+if (project.hasProperty("args")) {
+    ext.cmdargs = project.getProperty("args")
+} else { 
+    ext.cmdargs = "ls"
+}
+
+task cmdLineJavaExec(type: JavaExec) {
+    group = "Execution"
+    description = "Run the main class with JavaExecTask"
+    classpath = sourceSets.main.runtimeClasspath
+    main = javaMainClass
+    args cmdargs.split()
+}
+
+task cmdLineExec(type: Exec) {
+    group = "Execution"
+    description = "Run an external program with ExecTask"
+    commandLine cmdargs.split()
+}

gradle-modules/gradle-5/cmd-line-args/src/main/java/com/baeldung/cmd/MainClass.java

@@ -0,0 +1,10 @@
+package com.baeldung.cmd;
+
+public class MainClass {
+    public static void main(String[] args) {
+        System.out.println("Gradle command line arguments example");
+        for (String arg : args) {
+            System.out.println("Got argument [" + arg + "]");
+        }
+    }
+}

gradle-modules/gradle-5/gradle/wrapper/gradle-wrapper.properties

@@ -0,0 +1,5 @@
+distributionBase=GRADLE_USER_HOME
+distributionPath=wrapper/dists
+zipStoreBase=GRADLE_USER_HOME
+zipStorePath=wrapper/dists
+distributionUrl=https\://services.gradle.org/distributions/gradle-5.6.4-bin.zip

gradle-modules/gradle-5/gradlew

@@ -0,0 +1,164 @@
+#!/usr/bin/env bash
+
+##############################################################################
+##
+##  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 "$0"`
+
+# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
+DEFAULT_JVM_OPTS=""
+
+# Use the maximum available, or set MAX_FD != -1 to use that value.
+MAX_FD="maximum"
+
+warn ( ) {
+    echo "$*"
+}
+
+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, switch paths to Windows format before running java
+if $cygwin ; then
+    APP_HOME=`cygpath --path --mixed "$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`="\"$arg\""
+        fi
+        i=$((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
+
+# Split up the JVM_OPTS And GRADLE_OPTS values into an array, following the shell quoting and substitution rules
+function splitJvmOpts() {
+    JVM_OPTS=("$@")
+}
+eval splitJvmOpts $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS
+JVM_OPTS[${#JVM_OPTS[*]}]="-Dorg.gradle.appname=$APP_BASE_NAME"
+
+exec "$JAVACMD" "${JVM_OPTS[@]}" -classpath "$CLASSPATH" org.gradle.wrapper.GradleWrapperMain "$@"

gradle-modules/gradle-5/gradlew.bat

@@ -0,0 +1,90 @@
+@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 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=
+
+@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 init
+
+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 init
+
+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
+
+:init
+@rem Get command-line arguments, handling Windows variants
+
+if not "%OS%" == "Windows_NT" goto win9xME_args
+if "%@eval[2+2]" == "4" goto 4NT_args
+
+:win9xME_args
+@rem Slurp the command line arguments.
+set CMD_LINE_ARGS=
+set _SKIP=2
+
+:win9xME_args_slurp
+if "x%~1" == "x" goto execute
+
+set CMD_LINE_ARGS=%*
+goto execute
+
+:4NT_args
+@rem Get arguments from the 4NT Shell from JP Software
+set CMD_LINE_ARGS=%$
+
+: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 %CMD_LINE_ARGS%
+
+: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-modules/gradle-5/java-exec/.gitignore

@@ -0,0 +1 @@
+/build/

gradle-modules/gradle-5/java-exec/build.gradle

@@ -0,0 +1,47 @@
+apply plugin: "application"
+
+description = "Java MainClass execution examples"
+
+ext {
+   javaMainClass = "com.baeldung.gradle.exec.MainClass"
+}
+
+jar {
+    manifest {
+        attributes(
+            "Main-Class": javaMainClass
+        )
+    }
+}
+
+application {
+    mainClassName = javaMainClass
+}
+
+task runWithJavaExec(type: JavaExec) {
+    group = "Execution"
+    description = "Run the main class with JavaExecTask"
+    classpath = sourceSets.main.runtimeClasspath
+    main = javaMainClass
+}
+
+task runWithExec(type: Exec) {
+    dependsOn build
+    group = "Execution"
+    description = "Run the main class with ExecTask"
+    commandLine "java", "-classpath", sourceSets.main.runtimeClasspath.getAsPath(), javaMainClass
+}
+
+task runWithExecJarExecutable(type: Exec) {
+    dependsOn jar
+    group = "Execution"
+    description = "Run the output executable jar with ExecTask"
+    commandLine "java", "-jar", jar.archiveFile.get()
+}
+
+task runWithExecJarOnClassPath(type: Exec) {
+    dependsOn jar
+    group = "Execution"
+    description = "Run the mainClass from the output jar in classpath with ExecTask"
+    commandLine "java", "-classpath", jar.archiveFile.get() , javaMainClass
+}

gradle-modules/gradle-5/java-exec/src/main/java/com/baeldung/gradle/exec/MainClass.java

@@ -0,0 +1,8 @@
+package com.baeldung.gradle.exec;
+
+public class MainClass {
+
+    public static void main(String[] args) {
+        System.out.println("Goodbye cruel world ...");
+    }
+}

gradle-modules/gradle-5/settings.gradle

@@ -0,0 +1,5 @@
+rootProject.name='gradle-5-articles'
+include 'java-exec'
+include 'unused-dependencies'
+include 'source-sets'
+include 'cmd-line-args'

gradle-modules/gradle-5/source-sets/.gitignore

@@ -0,0 +1 @@
+/build/

gradle-modules/gradle-5/source-sets/README.md

@@ -0,0 +1,3 @@
+### Relevant Articles:
+
+- [Gradle Source Sets](https://www.baeldung.com/gradle-source-sets)

gradle-modules/gradle-5/source-sets/build.gradle

@@ -0,0 +1,67 @@
+
+apply plugin: "eclipse"
+apply plugin: "java"
+
+description = "Source Sets example"
+
+task printSourceSetInformation(){
+    description = "Print source set information"
+
+    doLast{
+        sourceSets.each { srcSet ->
+            println "["+srcSet.name+"]"
+            print "-->Source directories: "+srcSet.allJava.srcDirs+"\n"
+            print "-->Output directories: "+srcSet.output.classesDirs.files+"\n"
+            print "-->Compile classpath:\n"
+            srcSet.compileClasspath.files.each { 
+                print "  "+it.path+"\n"
+            }
+            println ""
+        }
+    }
+}
+
+sourceSets{
+    itest {
+        compileClasspath += sourceSets.main.output
+        runtimeClasspath += sourceSets.main.output
+        java {
+        }
+    }
+}
+
+test {
+    testLogging {
+        events "passed","skipped", "failed"
+    }
+}
+
+dependencies {
+    implementation('org.apache.httpcomponents:httpclient:4.5.12')
+    testImplementation('junit:junit:4.12')
+    itestImplementation('com.google.guava:guava:29.0-jre')
+}
+
+task itest(type: Test) {
+    description = "Run integration tests"
+    group = "verification"
+    testClassesDirs = sourceSets.itest.output.classesDirs
+    classpath = sourceSets.itest.runtimeClasspath
+}
+
+itest {
+    testLogging {
+        events "passed","skipped", "failed"
+    }
+}
+
+configurations {
+    itestImplementation.extendsFrom(testImplementation)
+    itestRuntimeOnly.extendsFrom(testRuntimeOnly)
+}
+
+eclipse {
+    classpath {
+        plusConfigurations+=[configurations.itestCompileClasspath] 
+    } 
+}

gradle-modules/gradle-5/source-sets/src/itest/java/com/baeldung/itest/SourceSetsItest.java

@@ -0,0 +1,25 @@
+package com.baeldung.itest;
+
+import static org.hamcrest.CoreMatchers.is;
+import static org.junit.Assert.assertThat;
+
+import java.util.List;
+
+import org.junit.Test;
+
+import com.baeldung.main.SourceSetsObject;
+import com.google.common.collect.ImmutableList;
+
+public class SourceSetsItest {
+
+    @Test
+    public void givenImmutableList_whenRun_ThenSuccess() {
+
+        SourceSetsObject underTest = new SourceSetsObject("lorem", "ipsum");
+        List<String> someStrings = ImmutableList.of("Baeldung", "is", "cool");
+
+        assertThat(underTest.getUser(), is("lorem"));
+        assertThat(underTest.getPassword(), is("ipsum"));
+        assertThat(someStrings.size(), is(3));
+    }
+}

gradle-modules/gradle-5/source-sets/src/main/java/com/baeldung/main/SourceSetsMain.java

@@ -0,0 +1,9 @@
+package com.baeldung.main;
+
+public class SourceSetsMain {
+
+    public static void main(String[] args) {
+        System.out.println("Hell..oh...world!");
+    }
+
+}

gradle-modules/gradle-5/source-sets/src/main/java/com/baeldung/main/SourceSetsObject.java

@@ -0,0 +1,21 @@
+package com.baeldung.main;
+
+public class SourceSetsObject {
+
+    private final String user;
+    private final String password;
+
+    public SourceSetsObject(String user, String password) {
+        this.user = user;
+        this.password = password;
+    }
+
+    public String getPassword() {
+        return password;
+    }
+
+    public String getUser() {
+        return user;
+    }
+
+}

gradle-modules/gradle-5/source-sets/src/test/java/com/baeldung/test/SourceSetsTest.java

@@ -0,0 +1,20 @@
+package com.baeldung.test;
+
+import static org.hamcrest.CoreMatchers.is;
+import static org.junit.Assert.assertThat;
+
+import org.junit.Test;
+
+import com.baeldung.main.SourceSetsObject;
+
+public class SourceSetsTest {
+
+    @Test
+    public void whenRun_ThenSuccess() {
+
+        SourceSetsObject underTest = new SourceSetsObject("lorem", "ipsum");
+
+        assertThat(underTest.getUser(), is("lorem"));
+        assertThat(underTest.getPassword(), is("ipsum"));
+    }
+}

gradle-modules/gradle-5/unused-dependencies/.gitignore

@@ -0,0 +1 @@
+/build/

gradle-modules/gradle-5/unused-dependencies/build.gradle

@@ -0,0 +1,8 @@
+
+description = "Gradle Unused Dependencies example"
+
+dependencies {
+    implementation('com.google.guava:guava:29.0-jre')
+    implementation('org.apache.httpcomponents:httpclient:4.5.12')
+    testImplementation('junit:junit:4.12')
+}

gradle-modules/gradle-5/unused-dependencies/src/main/java/com/baeldung/unused/UnusedDependencies.java

@@ -0,0 +1,39 @@
+package com.baeldung.unused;
+
+import java.lang.reflect.Method;
+import java.util.List;
+import java.util.stream.Collectors;
+
+import org.apache.http.ssl.SSLContextBuilder;
+
+import com.google.common.collect.ImmutableList;
+
+public class UnusedDependencies {
+
+    public static void main(String[] args) {
+        System.out.println("Hello world");
+        useGuava();
+        useHttpCore();
+        useHttpClientWithReflection();
+    }
+
+    private static void useGuava() {
+        List<String> list = ImmutableList.of("Baledung", "is", "cool");
+        System.out.println(list.stream()
+            .collect(Collectors.joining(" ")));
+    }
+
+    private static void useHttpCore() {
+        SSLContextBuilder.create();
+    }
+
+    private static void useHttpClientWithReflection() {
+        try {
+            Class<?> httpBuilder = Class.forName("org.apache.http.impl.client.HttpClientBuilder");
+            Method create = httpBuilder.getMethod("create", null);
+            create.invoke(httpBuilder, null);
+        } catch (Exception e) {
+            e.printStackTrace();
+        }
+    }
+}

gradle-modules/gradle-6/.gitignore

@@ -0,0 +1,18 @@
+
+# Gradle
+
+.gradle
+build
+
+# Ignore Gradle GUI config
+gradle-app.setting
+
+# Avoid ignoring Gradle wrapper jar file (.jar files are usually ignored)
+!gradle-wrapper.jar
+
+# Cache of project
+.gradletasknamecache
+
+# # Work around https://youtrack.jetbrains.com/issue/IDEA-116898
+# gradle/wrapper/gradle-wrapper.properties
+

gradle-modules/gradle-6/README.md

@@ -0,0 +1,3 @@
+### Relevant Articles:
+
+- [What’s New in Gradle 6.0](https://www.baeldung.com/gradle-6-features)

gradle-modules/gradle-6/build.gradle.kts

@@ -0,0 +1,5 @@
+subprojects {
+    repositories {
+        mavenCentral()
+    }
+}

gradle-modules/gradle-6/configuration-avoidance/build.gradle.kts

@@ -0,0 +1,37 @@
+plugins {
+    base
+}
+
+description = """
+    Demonstrates Gradle Configuraiton Avoidance API. Creates a new configuration "extralibs" to 
+    which we add dependencies. The custom task "copyExtraLibs" copies those dependencies to a new 
+    build directory "extra-libs". This build uses the Task Configuraion Avoidance APIs which have 
+    been marked stable in Gradle 6.0
+""".trimIndent()
+
+// extraLibs is a NamedDomainObjectProvider<Configuration!> - the Configuration object will not be
+// realized until it is needed. In the meantime, the build may reference it by name
+val extralibs by configurations.registering
+
+dependencies {
+    // we can call extralibs.name without causing the extralibs to be realized
+    add(extralibs.name, "junit:junit:4.12")
+}
+
+// extraLibsDir is a Provider<Directory!> - the Directory object will not be realized until it is
+// needed
+val extraLibsDir = project.layout.buildDirectory.dir("extra-libs")
+
+// copyExtraLibs is a TaskProvider<Copy!> - the task will not be realized until it is needed
+val copyExtraLibs by tasks.registering(Copy::class) {
+    // the copy task's "from" and "into" APIs accept Provider types to support configuration
+    // avoidance
+    from(extralibs)
+    into(extraLibsDir)
+}
+
+// configures the "build" task only if it needs to be
+tasks.build {
+    // dependsOn accepts a TaskProvider to avoid realizing the copyExtraLibs needlessly
+    dependsOn(copyExtraLibs)
+}

gradle-modules/gradle-6/dependency-constraints/build.gradle.kts

@@ -0,0 +1,29 @@
+plugins {
+    `java-library`
+}
+
+group = "com.baeldung"
+version = "1.0.0"
+
+dependencies {
+    api("io.reactivex.rxjava2:rxjava:2.2.16")
+    implementation("com.google.guava:guava") {
+        version {
+            require("10.0")
+            prefer("28.1-jre")
+            because("Only uses ImmutableList type, so any version since 2.0 will do, but tested with 28.1-jre")
+        }
+    }
+
+    testImplementation("org.junit.jupiter:junit-jupiter-api:5.5.2")
+    testRuntimeOnly("org.junit.jupiter:junit-jupiter-engine:5.5.2")
+}
+
+tasks.compileJava {
+    sourceCompatibility = "1.8"
+    targetCompatibility = "1.8"
+}
+
+tasks.test {
+    useJUnitPlatform()
+}