Difference between concurrent hashmap and hashtable and collections
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What is entry in java?
What is java used for?
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"); } }
If a class is declared without any access modifiers, where can the class be accessed?
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Explain what is encapsulation?
How to add two numbers with out using Arithmetic , union operators in java....? But we can use bitwise operators... but how...?
How do generics work?
If a class is declared without any access modifiers, where may the class be accessed in java programming?
Explain about doubly linked list
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How to handle a web browser resize operation?
Is null or empty java?