Java Ternary Operator With Examples [Latest]

Java Ternary Operator

The first operand in java ternary operator should be a boolean or a statement with boolean result. If the first operand is true then java ternary operator returns second operand else it returns third operand.

Syntax of java ternary operator is:

result = testStatement ? value1 : value2;

If testStatement is true then value1 is assigned to result variable else value2 is assigned to result variable.

Let’s see java ternary operator example in a simple java program.


package com.journaldev.util;
public class TernaryOperator {
    public static void main(String[] args) {
        System.out.println(getMinValue(4,10));
        System.out.println(getAbsoluteValue(-10));
        System.out.println(invertBoolean(true));
        String str = "Australia";
        String data = str.contains("A") ? "Str contains 'A'" : "Str doesn't contains 'A'";
        System.out.println(data);
        int i = 10;
        switch (i){
        case 5:
        	System.out.println("i=5");
        	break;
        case 10:
        	System.out.println("i=10");
        	break;
        default:
        	System.out.println("i is not equal to 5 or 10");
        }
        System.out.println((i==5) ? "i=5":((i==10) ? "i=10":"i is not equal to 5 or 10"));
    }
    private static boolean invertBoolean(boolean b) {
        return b ? false:true;
    }
    private static int getAbsoluteValue(int i) {
        return i&lt;0 ? -i:i;
    }
    private static int getMinValue(int i, int j) {
        return (i&lt;j) ? i : j;
    }
}

package com.journaldev.util;

public class TernaryOperator {

public static void main(String[] args) {

System.out.println(getMinValue(4,10));

System.out.println(getAbsoluteValue(-10));

System.out.println(invertBoolean(true));

String str = "Australia";

String data = str.contains("A") ? "Str contains 'A'" : "Str doesn't contains 'A'";

System.out.println(data);

int i = 10;

switch (i){

case 5:

System.out.println("i=5");

break;

case 10:

System.out.println("i=10");

break;

default:

System.out.println("i is not equal to 5 or 10");

}

System.out.println((i==5) ? "i=5":((i==10) ? "i=10":"i is not equal to 5 or 10"));

}

private static boolean invertBoolean(boolean b) {

return b ? false:true;

}

private static int getAbsoluteValue(int i) {

return i<0 ? -i:i;

}

private static int getMinValue(int i, int j) {

return (i<j) ? i : j;

}

Output of the above ternary operator java program is:

<span style="color: #008000;"><strong><code>
4
10
false
Str contains 'A'
i=10
i=10
</code></strong></span>

false

Str contains 'A'

i=10

</code></strong></span>

As you can see that we are using java ternary operator to avoid if-then-else and switch case statements. This way we are reducing the number of lines of code in java program. That’s all for a quick roundup of ternary operator in java.

Java Ternary Operator With Examples [Latest]

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