Java nested-if statement with Example

A programming language uses control statements to control the flow of execution of a program. In Java programming, we can control the flow of execution of a program based on some conditions. Java control statements can be put into the following three categories: selection, iteration, and jump.

Java nested-if Statement:

Java nested-if statement means an if statement inside another if statement. A nested-if is an if statement that is the target of another if or else statement. In nested-if, the inner if block condition executes only when outer if block condition is true. 

Syntax: 

if(condition1){
//code to be executed for condition1
}
if(condition2){
//code to be executed for condition2
}

Flowchart:

Java nested-if Example:

class NestedIfExample {
    public static void main(String[] args) {
        int num1 = 10, num2 = 5, num3 = 20, largestNumber;
        if (num1 >= num2) {
            if (num1 >= num3) {
                largestNumber = num1;
            } else {
                largestNumber = num3;
            }
        } else {
            if (num2 >= num3) {
                largestNumber = num2;
            } else {
                largestNumber = num3;
            }
        }
        System.out.println("Largest number is: " + largestNumber);
    }
}

Output:

 Largest number is: 20 

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