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

2 votes297 views1 answer
Java 8 list stream delete by name
Java
1 vote368 views1 answer
Set $JAVA_HOME variable in ubuntu
Java
3 votes317 views2 answers
Java unique id
Java
1 vote367 views2 answers
Java for loop increment by 3
Java
1 vote316 views1 answer
Tableau de classe java
Java
0 vote321 views1 answer
Call c function from java
Java
0 vote314 views1 answer
System out java quick
Java
2 votes321 views1 answer
Boxing and unboxing in java
Java
-1 vote330 views2 answers
User input (scanner)
Java
0 vote326 views1 answer
Stream filter with multiple conditions
Java