Conversion (primitive data type) int to (wrapper class) Double Number Object using valueof() method

Java Programming Language OOPs concept more (Article) OOPs concept more (Program)

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Program:

 
public class IntToDouble {

   public static void main(String args[]) {

      Double c = Double.valueOf(21);
      System.out.println(c);

   }
}

Output:

21.0
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