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Logical Operators in Java

Last Updated: 28 May, 2022

What is an Operator in Java?

Operators are special symbols that perform the specified operations. Each operator is responsible to perform some specific operation on variables or values and return a result. The operators are classified and listed according to precedence order.

Java supports the following types of operators:

What are Logical Operators in Java?

Logical operators are used to checking an expression or combination of expressions is true or false. This operator performs logical && (AND), || (OR) and ! (NOT) operations.

Just for understanding the below table let's assume X=10, Y=20

Operator	Operator Name	Description	Example	Output
&&	Logical AND	True if both the expressions are true otherwise false	`((X > 20) && (Y > 40))`	false
\|\|	Logical OR	True if either expression is true otherwise false	`((X > 20) \|\| (Y < 40))`	true
!	Logical NOT	True if expression is false otherwise false	`!((X > 20) && (Y > 40))`	true

Example: Logical Operators in Java

  public class LogicalOperatorDemo {
    public static void main(String[] args) {
  
      int x = 10;
      int y = 20;
          
      // && (AND) Operator
      System.out.println((x > 5) && (y > 10));  		// Output : true
      System.out.println((x > 20) && (y > 10));  		// Output : false
      
      // || (OR) Operator
      System.out.println((x > 20) || (y < 40)); 		// Output : true
      System.out.println((x > 20) || (y > 40)); 		// Output : false
      
      // ! (NOT) Operator
      System.out.println(!(x == 20));					// Output : true
      System.out.println(!(x < 20));					// Output : true
    }
  }

Output

true
false
true
false
true
false

That's all guys, hope this Java article is helpful for you.

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Logical Operators in Java

What is an Operator in Java?

What are Logical Operators in Java?

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