Java Operators

Java Control Statements

Object Oriented Programming

Java Built-in Classes

Java File Handling

Java Error & Exceptions

Java Multithreading

Java Synchronization

Java Networking

Java Collections

Java Interfaces

Java Data Structures

Java Collections Algorithms

Advanced Java

Java Miscellaneous

Java APIs & Frameworks

Java Class References

Java Useful Resources

Java - Logical Operators

Quiz

Java logical operators are used to perform logical operations on boolean values. These operators are commonly used in decision-making statements such as if conditions and loops to control program flow.

List of Java Logical Operators

The following table lists the logical operators in Java:

Operator	Description	Example
&& (Logical AND)	Returns `true` if both operands are `true`, otherwise returns `false`.	`(A && B)` returns `true` if both A and B are true.
\|\| (Logical OR)	Returns `true` if at least one of the operands is `true`.	`(A \|\| B)` returns `true` if either A or B is true.
! (Logical NOT)	Reverses the logical state of the operand.	`!A` returns `true` if A is `false`, and `false` if A is `true`.

The following programs are simple examples which demonstrate the logical operators. Copy and paste the following Java programs as Test.java file, and compile and run the programs −

Example 1

In this example, we're creating two variables a and b and using logical operators. We've performed a logical AND operation and printed the result.

public class Test {

   public static void main(String args[]) {
      boolean a = true;
      boolean b = false;

      System.out.println("a && b = " + (a&&b));
   }
}

Output

a && b = false

Example 2

In this example, we're creating two variables a and b and using logical operators. We've performed a logical OR operation and printed the result.

public class Test {

   public static void main(String args[]) {
      boolean a = true;
      boolean b = false;

      System.out.println("a || b = " + (a||b) );
   }
}

Output

a || b = true

Example 3

In this example, we're creating two variables a and b and using logical operators. We've performed a logical Negate operation and printed the result.

public class Test {

   public static void main(String args[]) {
      boolean a = true;
      boolean b = false;
	  
      System.out.println("!(a && b) = " + !(a && b));
   }
}

Output

!(a && b) = true

Print Page