how can i use a nonsynchronized hashtable?
What is the vector class in java programming?
How to know the host from which Applet is originated?
What initialize variables?
What is the purpose of the finally clause?
What does system.gc() and runtime.gc() methods do?
Why singleton pattern is better than creating singleton class with static instance?
7) Suppose there is Student class like class student { int age; string name; } We want to store these objects in a HashMap. Do we need to override any methods in Student class? If any which ones and why? what if i just override equals or just hashcode? what will be the results in both the cases?
define System.out.println(); what is the meaning!
What is aggregation?
How to do encapsulation in java?
What is a class component?
How to create an interface?