b); } public static void main(String[] args) { ThisExample obj = new ThisExample(10, 20); obj.display(); } } Powered By In this example, the this keyword is used to differentiate between instance variables a and b and the constructor parameters a and b. Example 2: Invoking a ...
Example of 'this' Reference in Javaimport java.util.Scanner; class ThisKeyword { private int a; private int b; void getData(int a, int b) { this.a = a; this.b = b; } void showData() { System.out.println("Value of Variable A is:" + a); System.out.println("Value of ...
java基础 this keyword! 为了程序的可读性,通常将一个类中的表示同一属性的变量进行统一的命名。可是这样做又会导致成员变量与局部变量名字冲突导致无法訪问成员变量。为了解决问题,java中引入了this这个keyword!所以this 的作用就是用于在方法中訪问对象的其它成员! thiskeyword有下面三种常见使用方法: 1)通过thiskeyword...
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.
3、thiskeyword thiskeyword可用于在不论什么实例方法内指向当前对象,也可指向对其调用当前方法的对象,或者在须要当前类型对象引用时使用。 注:当一个类的属性名或成员变量与訪问该属性的方法參数名同样时,则须要使用thiskeyword来訪问类中的属性。以区分类的属性和方法中的參数。
[javase学习笔记]-7.6 thiskeyword的原理,这一节我们来讲一个keyword。就是thiskeyword。我们还是通过样例来看吧:classPerson{privateStringname;privateintage;Person(Stringn,inta){name=n;age=a;}public
Java关键字是对Java编译器有特殊含义的字符串,是编译器和程序员的一个约定,程序员利用关键字来告诉编译器其声明的变量类型、类、方法特性等信息。Java语言共定义了如下所示的关键字。本文主要介绍Java this 关键字(keyword)。 Java 关键字 例如: 使用this访问当前实例的属性x: ...
The this keyword in Java is 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 invoke
So in the above example, this keyword in WhoIsThis() function will refer to window object. So, this.myVar will return 100. However, if you access myVar without this then it will refer to local myVar variable defined in WhoIsThis() function....