Operators In JAVA

OPERATORS

Operator:

            It is a symbol that is used to represent a particular operation.

Operands:

            The value given to the operation.

Based on the number of operands operators has three types:

      1.   Unary operator.
2.      Binary Operator.
3.      Ternary Operator.

        I.            Unary Operator:-

It requires only one operand.

Ex. Increment, Decrement operator, Logical NOT operator.

 

     II.         Binary Operator:-

It requires two operands.

Ex. Arithmetic operator, Relational operator, Logical AND operator, Logical OR operator.

 

   III.            Ternary Operator:-

   It requires three operands.

   Ex. Conditional operator.

 Binary Operator:-

 It requires two operands.

  Ex. Arithmetic operator, Relational operator, Logical AND operator, Logical OR operator                .

      a)       Arithmetic Operators:-

Arithmetic Operators
Operators	Operation
+	Addition
-	Substraction
*	Multiplication
/	Division (Quotent)
%	Modulus (Remainder)

 

       b)      Relational Operators:-

Relational Operators
Operators	Operation
>	Greater than
> =	Greater than equal to
<	Less than
< =	Less than equal to
= =	Equal to
! =	Not equal to

    Program

1. public class Maths
2. {  
3. public static void main(String [] args)
4. {  
5. int a=23; 
6. int b=22;
7. System.out.print(a!=b);
8. }
9. } 

  Output:

True                                                                                          

         c)      Logical AND Operator (&&)

·         If both the operands conditions are true then only result will be true.

·         If anyone operand is false the result will be false.

 

Logical AND Operator
Operand 1	Operand 2	Result
T	T	T
T	F	F
F	T	F
F	F	F

 

Program

1. class Maths
2. {  
3. public static void main(String [] args)
4. {  
5. int a=23; 
6. int b=22;
7. System.out.print(a!=b && a>b);
8. }
9. } 

Output:

True                                                                      

                                                                             

                                                                             

 

      d)      Logical OR operator ( | | )

·      If any one condition is true then the result will be true.

Logical OR Operator
Operand 1	Operand 2	Result
T	T	T
T	F	T
F	T	T
F	F	F

 

Program

1. class Maths
2. {  
3. public static void main(String [] args)
4. {  
5. int a=23; 
6. int b=22;
7. System.out.print(a=b | | a>b);
8. }
9. } 

Output:

True                                                                              

 

•      Logic to check whether the number is even or not, n = 4

 

•       Logic to check whether the number is odd or not, n = 27

                                                         

Ternary Operator:-

·         It requires three operands.

·         Ex. Conditional operator.

 

a.      Conditional Operator

·         It is an example of ternary operator.

·         In conditional operator we will be having three operands.

·         In operand 1 we write the condition, If the condition is true the operand 2 will get called and if the condition is false the operand 3 will get called.

                                                                                        

Syntax

     Program

1. class Maths
2. {  
3. public static void main(String [] args)
4. {  
5. int a=23; 
6. int b=22;
7. System.out.print(a < b ? a : b);
8. }
9. } 

Output:

22                                                                            

 

1.      //Write a java program to check whether the number is even or odd and print by using conditional operator.   n = 1044

1. class A
2. {  
3. 
   
4. public static void main(String [] args)
5. {
6.   
7. int a=1044; 
8. int b=2;
9. 
   
10. System.out.println(a % b==0 ? “Even” : “Odd”);
11. 
    
12. }
13. 
    
14. }  

Output:

Even                                                         

----------------xxxxxxxxx-------------------------xxxxxxxx-------------------------xxxxxxxx---------------------------

1. class A
2. {  
3. 
   
4. public static void main(String [] args)
5. {
6.   
7. int a=1044; 
8. int b=2;
9. String x="even";
10. String y="odd";
11. 
    
12. System.out.println(a % b==0 ? x : y);
13. 
    
14. }
15. 
    
16. }  

Output:

Even