Java - Operator Inequality Operator !=

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What is Inequality Operator?

The inequality operator != has the following form 

operand1 != operand2

The inequality operator returns true if operand1 and operand2 are not equal. Otherwise, it returns false.

Example

The following code shows how to use Inequality Operator. 

int i = 1; 
int j = 2; 
int k = 3; 
boolean b; 
b = (i != j); // Assigns true to b 
b = (i != k); // Assigns false to b 
b = (true != true);  // Assigns false to b 
b = (true != false); // Assigns true to b 
b = (false != true); // Assigns true to b

Demo

public class Main {
  public static void main(String[] args) {
    int i = 1; /*  ww w  .ja  va2s. c  o  m*/
    int j = 2; 
    int k = 3; 
    boolean b; 
    b = (i != j); // Assigns true to b
    System.out.println(b);
    b = (i != k); // Assigns false to b
    System.out.println(b);
    b = (true != true);  // Assigns false to b
    System.out.println(b);
    b = (true != false); // Assigns true to b 
    System.out.println(b);
    b = (false != true); // Assigns true to b 

    System.out.println(b);
  }
}

Result