Java Pass by Value or Pass by Reference

PassByValue.groovy

class Dog{
	String name
	Dog(String name){
		this.name = name;
	}
	String getName(){ return this.name;}
}

Dog aDog = new Dog("Max");
foo(aDog);

if( aDog.getName().equals("Max") ){ //true
    System.out.println( "Java passes by value." );
}else if( aDog.getName().equals("Fifi") ){
    System.out.println( "Java passes by reference." );
}


def foo(Dog d) {
    d.getName().equals("Max"); // true
    d = new Dog("Fifi");
    d.getName().equals("Fifi"); // true
}