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Boolean Operators

Posted By: Betsy Fischer     Category: Java     Views: 15231

This article lists and explains boolean operators available in java.

Boolean operator returns either true or false.  Below are the boolean operators listed.

Boolean operators 

 Operators

Meaning 

 a && b

Conditional AND. 

If both variables a and b are true, the result is true.

If  either of the variable is false, the result is false.

If a is false then b is not evaluated. 

 a & b

Boolean AND.

If both variables are true, the result is true. 

If either of the variable is false, the result is false. 

 a || b

Conditional OR.

If either of the variable is true, the result is true.

If a is true, b is not evaluated. 

 a | b

Boolean OR.

If either of the variable is true, the result is true. 

 ! a

Boolean NOT.

If a is true, the result is false.

If a is false, the result is true. 

 a ^ b

Boolean XOR.

If a is true and b is false, the result is true.

If a is false and b is true, the result is true.

In other cade, the result is false. 




Examples of Boolean Operators

Example 1 : Program that displays use of boolean operators i.e &&, &, ||, |, !, ^

class BoolOptrDemo
{ 
   public static void main(String args[])
   {

      boolean b1 = true;
      boolean b2 = false; 

      System.out.println("b1|b2 = "+(b1|b2));
      System.out.println("b1&b2 = "+(b1&b2));
      System.out.println("!b1 = "+(!b1));
      System.out.println("b1^b2 = "+(b1^b2));
      System.out.println("(b1|b2)&b1 = "+((b1|b2)&b1));
    }
}

  
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Betsy Fischer
Betsy Fischer author of Boolean Operators is from Frankfurt, Germany.
 
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