methods in Applet?
Explain JPA in Java.
Should you use singleton pattern?
How to display names of all components in a Container?
Do you know thread pools?
What is the difference between error and exception and explain in simple words not whatever is given in the book.
What is array class in java?
what is custom tags with example?
i need example for java abstraction. where we use abstraction and why we need abstraction.
What are actual parameters?
What is void in java?
Is void a wrapper class?
Can we execute a program without main?