The this keyword inJavais used when a method has to refer to an object that has invoked it. It can be used inside any method to refer to the current object. This means that this is always used as a reference to the object on which the method was invoked. We can use this anywhere ...
outpublicstaticvoidmain(String[]args){Demod=newDemo();Demod1=d.display();d1.getName();}} Studytonight ← Prev Next →
Example of 'this' Reference in Java importjava.util.Scanner;classThisKeyword{privateinta;privateintb;voidgetData(inta,intb){this.a=a;this.b=b;}voidshowData(){System.out.println("Value of Variable A is:"+a);System.out.println("Value of Variable B is:"+b);}}classThisKeywordExample{publ...
This keyword example in Java//Java program to demonstrate use of this keyword public class ExThis { private String name; private int age; private float weight; //without using this keywords public void getDetailsWithoutThis(String name, int age, float weight) { name=name; age=age; weight=...
In this example, thethiskeyword is used to set thenameandageattributes of thePersonobject and to access them in thedisplaymethod. Visualization: Pie Chart Let’s visualize the concept of using thethiskeyword in Java with a pie chart.
在js中,所有的函数体(function body)都能访问this关键字.this keyword就是函数执行的context.默认情况下,this引用着调用该函数的那个对象(也就是thisObj.thisFunction中的thisObj)(this is a reference to the object on which a particular function is called),在js中,所有的函数都会被绑定到一个object.然而,...
JavaScript this Keyword We usethiskeyword in an object method to access a property of the same object. For example, // person objectconstperson = {name:"John",age:30,// methodintroduce:function(){ console.log(`My name is${this.name}and I'm${this.age}years old.`); ...
In JavaScript,thiskeyword refers to theobjectwhere it is called. 1. this Inside Global Scope Whenthisis used alone,thisrefers to the global object (windowobject in browsers). For example, leta =this;console.log(a);// Window {}this.name ='Sarah';console.log(window.name);// Sarah ...
Example constperson= { firstName:"John", lastName :"Doe", id :5566, fullName :function() { returnthis.firstName+" "+this.lastName; } }; Try it Yourself » What isthis? In JavaScript, thethiskeyword refers to anobject. Thethiskeyword refers todifferent objectsdepending on how it is...
In addition, ArrayList from the List collection, HashSet from the Set collection, and HashMap and HashTable from the Map collection, will be discussed in this chapter. Chapter 10, The Importance of the final Keyword, Packages, and Modifiers, will cover some important concepts, including the ...