JavaToGroovy

HelloWorld.groovy

class HelloWorld {
    private String name

    void setName(String name) {
        this.name = name
    }

    String getName() {
        return name
    }

    String greet() {
        return "Hello " + name
    }
    
    static void main(String[] args) {
        HelloWorld helloWorld = new HelloWorld()
        helloWorld.setName("Groovy")
        System.out.println( helloWorld.greet() )
    }
}

HelloWorld.java

public class HelloWorld {
    private String name;

    public void setName(String name) {
        this.name = name;
    }

    public String getName() {
        return name;
    }

    public String greet() {
        return "Hello " + name;
    }
    
    public static void main(String[] args) {
        HelloWorld helloWorld = new HelloWorld();
        helloWorld.setName("Groovy");
        System.out.println( helloWorld.greet() );
    }
}