Convert int to double in Java

To convert int to double in Java, we just need to assign the int value to a double. That is called implicit type casting since we convert a smaller data type to a bigger one.

Example

class Test {

  public static void main(String[] args) {

    int num = 128;
    double d = num;

    System.out.println(d);
  }
}
Output: 128.0
 
We can also convert int to double using the Double.valueOf() method which accepts int as an argument and returns a double.

Example

class Test {

  public static void main(String[] args) {

    int num = 128;
    double d = Double.valueOf(num);

    System.out.println(d);
  }
}
Output: 128.0
 
That’s all about how to convert int to double in Java. Proceed to the next lesson.
 
Happy coding!

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