Groovy – Relational Operators

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Relational operators

Relational operators allow for the comparison of objects. Following are the relational operators available in Groovy −

OperatorDescriptionExample
==Tests the equality between two objects2 == 2 will give true
!=Tests the difference between two objects3 != 2 will give true
<Checks to see if the left objects is less than the right operand.2 < 3 will give true
<=Checks to see if the left objects is less than or equal to the right operand.2 <= 3 will give true
>Checks to see if the left objects is greater than the right operand.3 > 2 will give true
>=Checks to see if the left objects is greater than or equal to the right operand.3 >= 2 will give true

The following code snippet shows how the various operators can be used.

class Example { 
   static void main(String[] args) { 
      def x = 5;
      def y = 10;
      def z = 8;
		
      if(x == y) { 
         println("x is equal to y"); 
      } else 
         println("x is not equal to y"); 
			
      if(z != y) { 
         println("z is not equal to y"); 
      } else 
         println("z is equal to y"); 
				
      if(z != y) { 
         println("z is not equal to y"); 
      } else 
         println("z is equal to y"); 
					
      if(z<y) { 
         println("z is less than y"); 
      } else 
         println("z is greater than y"); 
						
      if(x<=y) { 
         println("x is less than y"); 
      } else 
         println("x is greater than y"); 
			
      if(x>y) { 
         println("x is greater than y"); 
      } else 
         println("x is less than y"); 
			
      if(x>=y) { 
         println("x is greater or equal to y"); 
      } else 
         println("x is less than y"); 
   } 
} 

When we run the above program, we will get the following result. It can be seen that the results are as expected from the description of the operators as shown above.

x is not equal to y 
z is not equal to y 
z is not equal to y 
z is less than y
x is less than y 
x is less than y 
x is less than y 

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