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 instancesthis 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 instancesthis in java
public class MyThisTest {
private int a;
public MyThisTest() {
this(42); // calls the other constructor
}
public MyThisTest(int a) {
this.a = a; // assigns the value of the parameter a to the field of the same name
}
public void frobnicate() {
int a = 1;
System.out.println(a); // refers to the local variable a
System.out.println(this.a); // refers to the field a
System.out.println(this); // refers to this entire object
}
public String toString() {
return "MyThisTest a=" + a; // refers to the field a
}
}Copyright © 2021 Codeinu
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