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Equality and Relational Operators
Posted on: March 10, 2008 at 12:00 AM

Whenever we need to compare the results of two expressions or operands in a program then the equality and relational operators are used to know whether an operand is equal, not equal, greater than, less than to another operand.

Equality and Relational Operators

Whenever we need to compare the results of two expressions or operands in a program then the equality and relational operators are used to

know whether an operand is equal, not equal, greater than, less than to another operand. There are different types of equality and relational operators mentioned in a table given below:

Symbol	Name of the Operator	Example	Operation
= =	Equal to	a = = b	a is equal to b
!=	Not equal to	a ! = b	a is not equal to b
>	Greater than	a > b	a is greater than b
<	Less than	a < b	a is less than b
>=	Greater than or equal to	a > = b	a is greater than or equal to b
<=	Less than or equal to	a > = b	a is less than or equal to b

The Equality operator "= =" differs from an assignment operator "=" i.e. the equality operator is used to determine whether one operand is equal to another operand or not while the assignment operator is used to assign a value to a variable.
All these operators are often used in the control structures such as if, do, while with the conditional operators to make decisional expressions.

Lets have an example implementing these operators:


class EquityOperator {



	public static void main(String[] args){

 int x = 5;

 int y = 10;

 if(x == y)

   System.out.println("value of x is equal to the value of y");

 if(x != y)

     System.out.println("value of x is not equal to the value of y");
  if(x > y)
  System.out.println("value of x is greater then the value of y");
  if(x < y)
  System.out.println("value of x is less then the value of y");
  if(x >= y)
  System.out.println("value of x is greater then or equal to the value of y");
  if(x <= y)
  System.out.println("value of x is less then or equal to the value of y");
}
}

Output of the Program:

C:\nisha>javac EquityOperator.java C:\nisha>java EquityOperator
value of x is not equal to the value of y
value of x is less then the value of y
value of x is less then or equal to the value of y

Download this Program

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