java-programming/javaUpdates/src/oops/ObjectCreation.java at master · 9146887137/java-programming · GitHub

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package oops;

public class ObjectCreation {

int a=10;

//non static initiqalizers which load inside object in heap area at the time of object loadig process

int b;

static int c=30;

//static inoitializers which load at the the time of class loading process

public ObjectCreation() {

// TODO Auto-generated constructor stub

//this non argument constructor

super();

//when we add no empty super call it call to object class constructor

}

public ObjectCreation(int a, int b) {

this();

//this call statement is used to achieve constructor chaining between same class.

//we use this call or super call at a time not both at same time

this.a = a;

this.b = b;

//this is no-static reference variable which hold the reference of current object which is in currently execution

//basically we use this at the time when local and global variable of same name and in-order to refer the object member.

//this keyword hold the reference from every context which belong to same object.

//this parameterized constructor which is used to load all the non static members of class inside object memory created in heap area

}

@Override

public String toString() {

return "ObjectCreation [a=" + a + ", b=" + b + "]";

}

public void display() {

System.out.println("from super");

}

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