10 Examples Of Ternary Operator In Java

Hiya guys, in case you are questioning the right way to use ternary operator in Java then you might have come to the precise place. Ternary operator is a good operator and you should utilize ternary operator to switch a easy if-else assertion. Since ternary operator means that you can write code in a single line, its far more succinct and readable and that is what many Java developer like it, together with me. Within the final article, I shared 10 instance of XOR bitwise operator in Java and on this article, I’m going to share 10 instance of ternary operator in Java so that you just not solely know what’s ternary operator but additionally you should utilize it successfully to jot down higher Java code. However, earlier than we get to the ten finest examples that can train you the whole lot
there’s to learn about ternary operators in Java, let me let you know a
little bit extra about what all of it actually is.

public class TernaryOperatorDemo2{
  public static void important(String[] args) {
        int x = 5;
        int y = 10;
String resultValue=(x>=y)?"x is larger than or possibly equal to y":"x is lower than y";
       System.out.println(resultValue); //o/p is x is lower than y
  }
}

2. Utilizing The Ternary Operator as a substitute for if-else-if

One other
necessary factor to notice is you could additionally use the ternary operator
as a substitute for if-else-if. For instance, have a look at the next
program. 

public class TernaryOperatorDemo3{
  public static void important(String[] args) {
       int share=70;
        
       if(share>=60){  
           System.out.println("A grade");  
       }else if(share>=40){  
           System.out.println("B grade");  
       }else {  
           System.out.println("Not Eligible");  
       }
  }
}

In
this program, the if-else-if assertion is helpful for printing the ultimate
end result by evaluating the share. You can also make this code less complicated and
straightforward to learn through the use of the ternary operator instead of if-else-if. 

public class TernaryOperatorDemo4{
 public static void important(String[] args) {
   int share=70;  
         
   String resultValue = (share>=60)? 
   "A grade":((share>=40)?"B grade":"Not    Eligible");
        System.out.println(resultValue); 
   }
}

This program may also print the identical end result as the sooner program with fewer strains of code. 

3. Utilizing the ternary operator as a substitute for switch-case

You
also can use the ternary operator as a alternative for switch-case. In
this instance, you may see that the switch-case assertion is used to
calculate the worth that’s to be assigned to the string variable. In
this case, the string variable is a coloration worth that’s assigned primarily based
on the colour code integer. 

public class TernaryOperatorDemo5{
  public static void important(String[] args) {
        int colorCode = 101;
        String coloration = null;
        change(colorCode) {
          case 100 :
            coloration = "Yellow"; 
            break;
          case 101 :
            coloration = "Inexperienced";
            break;
          case 102 : 
            coloration = "Crimson";
            break;
           default :
            coloration = "Invalid";       
        }
       System.out.println("Coloration --->"+coloration);
  }
}

You
can merely substitute the switch-case assertion with a ternary operator.
The ternary operator will enable you make your code less complicated. 

public class TernaryOperatorDemo6{
 public static void important(String[] args) {
   int colorCode = 101;
   String coloration = null;   coloration=(colorCode==100)? 
   "Yellow":((colorCode==101)?"Inexperienced":((colorCode==102)?"Crimson":"Invalid"));
    System.out.println("Coloration --->"+coloration);   }
}

You possibly can see that the switch-case assertion has been changed with a single line of code. 

4. Defining a ternary operator in Java

You possibly can merely outline a ternary operator in Java with the next syntax:

resultValue = testConditionStatement ? value1 : value2;

The
resultValue will get a worth of both value1 or value2 in accordance with
the testConditionStatement worth. It will both be true or false. 

5. Writing a ternary situation in Java

You
already know {that a} ternary operator in Java makes use of 3 operands. The
testConditionStatement will return a boolean worth. You possibly can see the
following instance to get a greater understanding of ternary operators in
Java. 

resultValue = testConditionStatement ? value1 : value2;

String end result = (-2>2) ? “sure” : “no”;

6. Nested Ternary Operators

You
also can use one ternary operator inside one other ternary operator. This
is called a nested ternary operator in Java. For a greater
understanding, you may see the next program which goals to seek out the
largest of three numbers utilizing a nested ternary operator. 

class Most important {
  public static void important(String[] args) {
    
    // create a variable
    int n1 = 2, n2 = 9, n3 = -11;

    // nested ternary operator
    // to seek out the biggest quantity
    int largest = (n1 >= n2) ? ((n1 >= n3) ? n1 : n3) : ((n2 >= n3) ? n2 : n3);
    System.out.println("Largest Quantity: " + largest);
  }
}

On this instance, the ensuing output will likely be like this:

Largest Quantity: 9

7. Changing a easy if-else assertion with a ternary operator

As you already know, ternary operators can be utilized in Java to switch sure varieties of if-else statements. 

class Most important {
  public static void important(String[] args) {
    
    // create a variable 
    int quantity = 24;

    if(quantity > 0) {
      System.out.println("Optimistic Quantity");
    }
    else {
      System.out.println("Unfavorable Quantity");
    }
  }
}

You possibly can substitute the above code, which appears unnecessarily sophisticated. 

class Most important {
  public static void important(String[] args) {
    
    // create a variable 
    int quantity = 24;

    String end result = (quantity > 0) ? "Optimistic Quantity" : "Unfavorable Quantity";
    System.out.println(end result);
  }
}

As you may see, this appears far more neat and readable.

8. Evaluating An Expression with a ternary operator

public void whenConditionIsTrue_thenOnlyFirstExpressionIsEvaluated() {
    int exp1 = 0, exp2 = 0;
    int end result = 12 > 10 ? ++exp1 : ++exp2;
    
    assertThat(exp1).isEqualTo(1);
    assertThat(exp2).isEqualTo(0);
    assertThat(end result).isEqualTo(1);

}

On this case, the boolean expression will at all times consider as true. 

9. Nesting a ternary operator

String msg = num > 10 ? "Quantity is larger than 10" : 
  num > 5 ? "Quantity is larger than 5" : "Quantity is lower than equal to five";

You possibly can merely nest a ternary operator inside one other ternary operator. 

10. Nested Ternary Operator

String msg = num > 10 ? "Quantity is larger than 10" 
  : (num > 5 ? "Quantity is larger than 5" : "Quantity is lower than equal to five");

That is all about what’s ternary operator in Java and the right way to use it. To be sincere, although I’ve used ternary operator on daily basis, I did not know most of the methods like nesting ternary operator till I made a decision to jot down this text. There may be a lot to be taught in Java however studying ternary operator is certainly price it because it means that you can write cleaner and extra readable code as a result of you may put situation and each worth in identical line.