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

22 votes266 views1 answer
Swing disable button
Java
6 votes259 views2 answers
Java random seed
Java
0 vote247 views1 answer
Android studio how to move a picture canvas
Java
0 vote239 views1 answer
Android Gradle plugin requires Java 11 to run. You are currently using Java 1.8.
Java
0 vote243 views4 answers
Potencia java
Java
0 vote249 views4 answers
Java action every player bukkit
Java
16 votes251 views2 answers
Bufferedreader java
Java
1 vote257 views1 answer
How to solve simultaneous equations in mathematica
Java
0 vote279 views1 answer
Read and existing dir content in java
Java
1 vote247 views1 answer
What AJAJ stand for
Java