package JavaSessions;

import java.util.ArrayList;

public class WrapperClass {

public static void main(String[] args) {

//1. String to int :

String x = "100";

System.out.println(x+20);

int i = Integer.parseInt(x); //100

System.out.println(i+20);

// String h = "100A";

// int g = Integer.parseInt(h);

// System.out.println(g);//NumberFormatException: For input string: "100A

//2. String to double:

String y = "12.33";

System.out.println(y+20);

double d = Double.parseDouble(y);

System.out.println(d+10.22);

//3. int to String:

int k = 100;

System.out.println(k+20);

String p = String.valueOf(k); //"100"

System.out.println(p+20);

String tr = "your total amount is : 500";

ArrayList<Integer> ar = new ArrayList<Integer>();

}

}