public class StringToObject {

public static void main(String[] args) {

//In Java We can Store numbers as String format i.e.,enclosed with ""

String no = "145";

String floatNo = "123.456f";

String doubleNo = "123.34556d";

//1.Passing numbers as string to Wrapper Class Constructor

Integer i1 = new Integer(no);

Float f1 = new Float(floatNo);

Double d1 = new Double(doubleNo);

System.out.println("Object i1 :::::" + i1);

System.out.println("Object f1 :::::" + f1);

System.out.println("Object d1 :::::" + d1);

//2.Converting the numbers as String using static method of Wrapper class

Integer intValue = Integer.valueOf(no);

Float floatValue = Float.valueOf(floatNo);

Double doubleValue = Double.valueOf(doubleNo);

System.out.println("Object intValue :::::" + intValue);

System.out.println("Object floatValue :::::" + floatValue);

System.out.println("Object doubleValue :::::" + doubleValue);

}

}