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Java This Keyword
The this keyword in Java is a reference variable that refers to the current object of a class. It is widely used in object-oriented programming for clarity, especially when dealing with instance variables and methods.
Example
class Human{
private int age;
private String name;
public int getAge(){
return age;
}
public void SetAge(int age, Human obj){
Human obj1=obj; // normal method to set age value
obj1.age=age;
}
public String getName(){
return name;
}
public void setName(String name){
this.name=name; // this method to set name value
}
}
public class Main {
public static void main(String[] args) {
Human obj=new Human();
obj.SetAge(20,obj);
obj.setName("Joe");
System.out.println(obj.getName()+" : "+obj.getAge());
}
}