Convert Double Variable to String in Java

Exercise:

Write a Java Program to convert double type variable to string.

1.Convert using Valueof()

Click Here to View the Solution!
public class DoubleToString {
    public static void main(String[] args) {
        double num1 = 21.88;
        String str1 = String.valueOf(num1);
        System.out.println(str1);
    }
}
Click Here to View the Output!
21.88
Click Here to View the Explanation!

In this program, a variable of the type double is converted to a String variable using a String class’ method valueOf(). This is the most common method utilized for the conversion.

2.Convert using toString()

Click Here to View the Solution!
public class DoubleToString {
    public static void main(String[] args) {
        double num1 = 8.123;
        String str1 = Double.toString(num1);
        System.out.println(str1);
    }
}
Click Here to View the Output!
8.123
Click Here to View the Explanation!

In this program, double type variables are converted to String type variables using a Double (Java wrapper) class method toString().

3.Convert using format()

Click Here to View the Solution!
public class DoubleToString {
     public static void main(String[] args) {
         double num = 34.16;
         String str = String.format("%f", num);
         System.out.println(str);
     }
 }
Click Here to View the Output!
34.160000
Click Here to View the Explanation!

In this program, double to string variable conversion is taking place with the help of format() method.