This keyword in java

This in java

this() : used for calling the constructor . 
  we can only use it in the constructor
this. : used for calling the instance variables 
we can use in any object instances

This keyword in java

/**
 * This keyword,
 * this keyword is a reference variable that refers to the current class
 * instance.
 */
class Student {
    int id;
    String name;

    Student(int id, String name) {
        this.id = id;
        this.name = name;
    }

    void display() {
        System.out.println(this.id);// both way can call
        System.out.println(this.name);
        System.out.println(id);
        System.out.println(name);
    }
}

public class This {
    public static void main(String[] args) {
        Student student = new Student(10, "Mike");
        student.display();
    }
}

Similar codes

0 vote223 views1 answer
Java program to print decimal to octal conversion
Java
1 vote248 views1 answer
Entre clavier java
Java
0 vote240 views1 answer
Android open app info programmatically
Java
0 vote241 views1 answer
Create JDBC connection using properties file
Java
-3 votes258 views6 answers
Popcat
Java
12 votes210 views3 answers
HTTP FAILED: java.net.UnknownServiceException: CLEARTEXT communication to ztdev.co.za not permitted by network security policy
Java
3 votes229 views1 answer
How to get all the names of the files in a folder in java?
Java
6 votes225 views2 answers
Java simpledateformat example
Java
0 vote240 views1 answer
Make the array stop in java
Java
0 vote255 views1 answer
Convert boolean list to primitive java
Java