What is the difference between this() and super()?

Answers were Sorted based on User's Feedback



What is the difference between this() and super()?..

Answer / amarmca84

this() can be used to invoke a constructor of the same class
whereas super() can be used to invoke a super class constructor.

Is This Answer Correct ?    91 Yes 8 No

What is the difference between this() and super()?..

Answer / gcttcs

Super should be used only in the sub classes and super() is
used to point methods of super class. where as this can be
used in both super & sub classes and this() used to point
methods in the class where it is called.

Is This Answer Correct ?    28 Yes 6 No

What is the difference between this() and super()?..

Answer / prabu.b

1)Super() always calling the constructor of immediate
super class, super() must always be the first statements
executed inside a subclass constructor.

2)You cannot use this() and Super() in the same constructor.

Is This Answer Correct ?    23 Yes 4 No

What is the difference between this() and super()?..

Answer / tulasi prasad

this keyword is used to invoke the current class properties.
Where as super keyword is used to invoke the immidiate
super class properites.

Is This Answer Correct ?    17 Yes 2 No

What is the difference between this() and super()?..

Answer / ankita jain

super is the first statement of derived class constuctor.

class room
{
int l,b;
room(int x,int y)
{
l = x;
b = y;
}
void area()
{
int a;
a = l*b;
return(a);
}
}
class studyroom extend room
{
int h;
studyroom (int x ,int y, int z)
{
super(x,y)
z = h;
}
int volume()
{
int v;
v = l*b*h;
return(v);
}
}
class sup
{
public static void main(String args[])
{
int ar,vol;
studtroom s=new Studyroom()
ar = s.area();
vol = s.volume();
System.out.println("the area is = "+ar);
System.out.println("the volume is = "+vol);
}
}

Is This Answer Correct ?    24 Yes 11 No

What is the difference between this() and super()?..

Answer / abc

this() is used to invoke default constructor of same class
And super() is used to invoke constructor of super class.

Is This Answer Correct ?    12 Yes 4 No

What is the difference between this() and super()?..

Answer / ajay yadav

super() immediately refers to the base class constructor to
initialize the variable.
this() refers to the current object.

Is This Answer Correct ?    10 Yes 3 No

What is the difference between this() and super()?..

Answer / srinu

this() can be used to invoke a constructor of the same class.
whereas super() can be used to invoke a super class constructor.

Is This Answer Correct ?    6 Yes 3 No

What is the difference between this() and super()?..

Answer / varunkumar

this keyword is used to invoke the current class properties.
Where as super keyword is used to invoke the immidiate
super class properites.
this keyword is same name of mathed and decleare value is
used the this class

Is This Answer Correct ?    1 Yes 0 No

What is the difference between this() and super()?..

Answer / bharathi raja

"this" refers to the current class where as "super" refers directly to its immediate above super class.

Is This Answer Correct ?    1 Yes 0 No

Post New Answer

More Core Java Interview Questions

Is singleton set an interval?

0 Answers  


What is the new line character?

0 Answers  


What is an example of a keyword?

0 Answers  


How to Sort Strings which are given in List and display in ascending order without using java api.

1 Answers   LIC,


what is an object class?Explain its methods?

6 Answers  






What initialize variables?

0 Answers  


When try and catch block is used ?

6 Answers  


Can an interface implement another interface?

0 Answers  


How many types of threads are there in java?

0 Answers  


Name the methods that used to get and set the text label displayed by a Buttonobject?

1 Answers  


What is synchronization and why is it important in java programming?

0 Answers  


Same common question what is Map,Set,HashMap,List????

4 Answers   Symphony,


Categories