How to convert int to double in Java

How to convert int to double in Java

Example:

Input:  num=1320
Output: 1320.0

Approach: 1: 

Java


public class IntToDouble {
    public static void main(String[] args) {
        int num = 1320;
        double dou = intTodouble(num);
        System.out.println("Double is " + dou);
    }

    private static double intTodouble(int num) {
        return num;
    }
}

Approach : 2: Using valueOf()

Java


public class IntToDouble {
    public static void main(String[] args) {
        int num = 1320;
        double dou = intTodouble(num);
        System.out.println("Double is " + dou);
    }

    private static double intTodouble(int num) {
        return Double.valueOf(num);
    }
}


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