"Equality" Operators : Comparison Operators « Operators « SCJP

1. SCJP
2. Operators
3. Comparison Operators

== equals (also known as "equal to")

!= not equals (also known as "not equal to")

class MainClass {
  public static void main(String[] args) {
    System.out.println("char 'a' == 'a'? " + ('a' == 'a'));
    System.out.println("char 'a' == 'b'? " + ('a' == 'b'));
    System.out.println("5 != 6? " + (5 != 6));
    System.out.println("5.0 == 5L? " + (5.0 == 5L));
    System.out.println("true == false? " + (true == false));
  }
}

char 'a' == 'a'? true
char 'a' == 'b'? false
5 != 6? true
5.0 == 5L? true
true == false? false