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1) this: to refer current class instance variable. The this keyword can be used to refer current class instance variable. If there is ambiguity between the instance variables and parameters, this keyword resolves the problem of ambiguity.
The this keyword refers to the current object in a method or constructor. The most common use of the this keyword is to eliminate the confusion between class attributes and parameters with the same name (because a class attribute is shadowed by a method or constructor parameter).
8 sty 2024 · Following are the ways to use the ‘this’ keyword in Java mentioned below: Using the ‘this’ keyword to refer to current class instance variables. Using this() to invoke the current class constructor; Using ‘this’ keyword to return the current class instance ; Using ‘this’ keyword as the method parameter
In this article, we will learn about this keyword in Java, how and where to use them with the help of examples. In Java, this keyword is used to refer to the current object inside a method or a constructor.
In Java, the this keyword is often used to assign values for instance variables in constructor, getter and setter methods. For example: public class Customer { private String name; private String email; public Customer(String name, String email) { this.name = name; this.email = email; } public void setName(String name) { this.name = name; }
12 mar 2010 · this keyword refers to the Object of class on which some method is invoked. For example: public class Xyz { public Xyz(Abc ob) { ob.show(); } } public class Abc { int a = 10; public Abc() { new Xyz(this); } public void show() { System.out.println("Value of a " + a); } public static void main(String s[]) { new Abc(); } }
17 wrz 2024 · this keyword in Java is a reference variable that refers to the current object of a method or a constructor. The main purpose of using this keyword in Java is to remove the confusion between class attributes and parameters that have same names.
