What are actual parameters?
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Can I extend singleton class in java?
Why does java does not support multiple inheritance? Explain
What is the main purpose of serialization in java?
What is advantage of java?
What is the use of collections in java? How it is implemented in real time applications?
In treeset we add same object ...what will be the out put
What is the relationship difference the canvas class and the graphics class?
How could Java classes direct program messages to the system console, but error messages, say to a file?
What is type casting?
Can we call the run() method instead of start()?
Explain about static nested classes in java?
we know that every java prog must follows OOPS Principles. Anybody can answer, HOW THE FOLLOWING PROGRAM FOLLOWS OOPS CONCEPTS i.e, Inheritance,Polymarphism,Encapsulation? class a{ public static void main(String args[]){ System.out.println("Hello World"); } }