• The concept of representing the primitive data values in the form of its equivalent and corresponding wrapper class objects is known as "boxing"

                Integer x= new Integer(3);
               Double d= new Double(1.2);
  • package com.instanceofjavaforus;

    public class wraperDemo3 {
    public static void main(String args[]){
              String s1="12";
            Integer i=new Integer(s1);
            System.out.println(i);
     
        }
    }
     
  • The concept of getting back actual primitive data values present inside wrapper class objects into its corresponding primitive data value known as "unboxing"
          Integer x= new Integer(3);
          int y= x.intValue();
  • package com.instanceofjavaforus;

    public class wraperDemo3 {

    public static void main(String args[]){
           
                String s1="12";
                Integer i=new Integer(s1);
                int x=i.intValue();
                System.out.println(x);
              }
              }
  • The concept of JVM automatically representing the primitive data values in the form of its equivalent and corresponding wrapper class objects is known as "Autoboxing".

                Integer x=3;
               Double d= 1.3;
  • package com.instanceofjavaforus;
    public class wraperDemo3 {
    public static void main(String args[]){
                  
                  Integer x=3;
                 Double d= 1.3;
                System.out.println(x);
                System.out.println(d);

                  }
            }
     
  • The concept of getting back actual primitive data values present inside wrapper class objects into its corresponding primitive data value automatically by JVM  known as "Autounboxing"
          Integer x= new Integer(3);
          int y= x;
  • package com.instanceofjavaforus;
    public class wraperDemo3 {
    public static void main(String args[]){
                  
                  Integer x= new Integer(3);
                     int y= x;
                System.out.println(x);
                System.out.println(y);
                  }
            }

Instance Of Java

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