Q&A Discussions
What is the difference between implement Runnable interface and extends the Thread?
3 Votes
7 Answers
I do not understand the differences between inheritance, extends and interfaces in JAVA
1 Vote
4 Answers
Inheritance in java
5 Votes
4 Answers
what is the diffetence when we say an interface extends another interface and a class implements an interface?
1 Vote
11 Answers
[Solved] Hello, can you tell me what is the difference between '' extends'' and "implements"in Java?
11 Votes
20 Answers
import java.awt.DisplayMode;
class VariableType
{
int amount=20000;
int pin=472442;
}
public class DatyTypeNK extends Variable
0 Votes
4 Answers
class Parent {
public static void show(){
System.out.println("parent class");
}
}
class Child extends Parent
{
0 Votes
2 Answers
why System.out.println("Grr..."); //"Grr..." is not printed ? // but the class dog is extends animal can anyone explain m
3 Votes
5 Answers
Is writing subclass inside the parent class same as writing subclass and referencing it to parent class using extends ?
1 Vote
2 Answers
Why java collection framework extends iterable interface even though it needs iterator object to go through the collection?
1 Vote
1 Answer
How many times can a class extends and implements ? I mean like that : class A extenda()implements() ?
1 Vote
2 Answers
Exented own classes
0 Votes
3 Answers
I use all attribut and method Person in all the extends class Person. Can i do all attribut and methods private?
0 Votes
1 Answer
void meth2 (){...} in classe c1 and void math2 (int a){...} in classe c2 extends c1 is it overloading or over riding??
0 Votes
2 Answers
Constructor call that is used by the sub class to call a constructor of its superclass
A. new B. extends C. implements D. super
0 Votes
2 Answers
Hi guys,i have a qus,what do the start do(obj.start())?
I will be grateful if you help me
class Loader extends Thread {
public void run() {
System.out.println("Hello");
}
}
class MyClass {
public static void main(String[ ] args) {
Loader obj = new Loader();
obj.start();
}
}
0 Votes
4 Answers
Throw Course
0 Votes
1 Answer
Hot today
Why this code still works
0 Votes
Python
1 Votes
I need help with my code please
0 Votes
Python related
1 Votes
Why won't canvas work?
2 Votes
Ai courses
1 Votes