system.out.println()

public class HelloWorld{ public static void main(String []args){ System.out.println("Hello World"); } }

class test { int x = 10; public static void main(string[] args) { system.out.println(x); } }

public class Frazione { public static void main(String[] args) { Frazione a = new Frazione(3, 4); Frazione b = new Frazione(5, 4); System.out.println(getAddizione(a + b)); } }