Question

How to convert String to double in Java

Answer 1

public class MyClass {
    public static void main(String args[]) {
        String s = "3.14"; 
  
        double d = Double.parseDouble(s); 
  
        System.out.println(d); 
    } 
}



/*
run:

3.14

*/

 

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Answer 2

public class MyClass {
    public static void main(String args[]) {
        String s = "3.14159"; 
  
        double d = Double.valueOf(s); 
  
        System.out.println(d); 
    } 
}



/*
run:

3.14159

*/

 

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Answer 3

public class MyClass {
    public static void main(String args[]) {
        String s = "3.14159"; 
  
        double d = new Double(s); 
  
        System.out.println(d); 
    } 
}



/*
run:

3.14159

*/

 

Cleaner teeth, healthier you!
Get The Secret to a Bright and Healthy Smile