What is the difference between & and && in Java?

Question

I always thought that && operator in Java is used for verifying whether both its boolean operands are true, and the & oper

Answer 1

&& is a short circuit operator whereas & is a AND operator.

Try this.

    String s = null;
    boolean b = false & s.isEmpty(); // NullPointerException
    boolean sb = false && s.isEmpty(); // sb is false