How to avoid memory leak in java?
Does 'true' and 'false' are keywords?
In Java, what’s the purpose of static methods and static variables?
How to create an immutable class?
I Have a class abstract with one abstract method, so that method should override in the subclass, but i dont want to override, if i am not override what will happen? If compilation will occur then i dont want to give compilation error, then what we need to do??? See the sample program. public abstract class AbstractExample { public abstract void sampleMethod(); } public class AbstractExampleImple extends AbstractExample { }
can u give one sinario when you use Abstract Class and When you use Interface.
Explain the meaning of java applet.
What is computer compiler?
How many types of keywords are there?
Can an anonymous class be declared as implementing an interface and extending a class in java programming?
What are different types of inner classes ?
How do I print a “?
Which is better arraylist or vector?