Tag: web technology

What is the output for the below code ? class A implements Runnable{ public void run(){ System.out.println(Thread.currentThread().getName()); } } public class Test { public static void main(String... args) { A a = new A(); Thread t = new Thread(a); t.setName("good"); t.start(); } }

What is the output for the below code ? public class Test { public static void main(String[] args) { Boolean expr = true; if (expr) { System.out.println("true"); } else { System.out.println("false"); } } }

What is the output for the below code ? public class Test { public static void main(String[] args) { List list = new ArrayList(); list.add(0, 59); int total = list.get(0); System.out.println(total); } }

What is the output for the below code ? public class Test { public static void main(String[] args) { Integer i = null; int j = i; System.out.println(j); } }