module org.gradle.sample {
    requires com.google.gson;          // real module
    requires org.apache.commons.lang3; // automatic module
    // commons-cli-1.4.jar is not a module and cannot be required

module org.gradle.sample.lib {
    requires com.google.gson;          // real module
    requires org.apache.commons.lang3; // automatic module
    // commons-cli-1.4.jar is not a module and cannot be required

// tag::repo[]
repositories {
    mavenCentral()
}
// end::repo[]

// tag::dependencies[]
dependencies {
    api("org.apache.httpcomponents:httpclient:4.5.7")
    implementation("org.apache.commons:commons-lang3:3.5")
}

            apply plugin: 'maven-publish'

            dependencies {
                constraints {
                    api 'org.apache.commons:commons-lang3:3.8.1'
                }
                implementation('org.apache.commons:commons-lang3') {
                    version {
                        strictly '[3.8, 3.9['
                        because "Doesn't work with other versions than 3.8"
                    }

// tag::define-platform[]
dependencies {
    constraints {
        // Platform declares some versions of libraries used in subprojects
        api 'commons-httpclient:commons-httpclient:3.1'
        api 'org.apache.commons:commons-lang3:3.8.1'
    }
}

plugins {
    `java-library`
    `maven-publish`
}

group = "org.sample"
version = "1.0"

dependencies {
    implementation("org.apache.commons:commons-lang3:3.12.0")
}

repositories {
    mavenCentral()
}

publishing {
    repositories {
        maven {
            setUrl(file("../../local-repo"))
        }
    }
    publications {
        create<MavenPublication>("maven") { from(components["java"]) }

opencsv-4.6.jar
commons-beanutils-1.9.4.jar
commons-logging-1.2.jar
commons-text-1.3.jar
commons-lang3-3.8.1.jar
commons-collections4-4.2.jar

module org.gradle.sample {
    requires com.google.gson;          // real module
    requires org.apache.commons.lang3; // automatic module
    // commons-cli-1.4.jar is not a module and cannot be required

package com.acme;

import org.junit.Test;
import org.apache.commons.lang3.tuple.ImmutablePair;
import static org.junit.Assert.*;
import static com.acme.Simpsons.*;

public class FamilyTest {
    @Test
    public void testFamily() {
        Family family = new Family(
            homer(),
            marge(),
            bart(),
            named("elisabeth marie"),
            of(ImmutablePair.of("Margaret Eve", "Simpson"))
        );

package org.sample.stringutils;

import org.apache.commons.lang3.StringUtils;

public class Strings {
   public static String concat(Object left, Object right) {
     return strip(left) + " " + strip(right);
   }

   private static String strip(Object val) {
     return StringUtils.strip(String.valueOf(val));
   }