Explain the difference between association, aggregation and inheritance relationships.

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What is an abstract class and abstract method?

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What is the use of :: in java?

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explain copyonwritearraylist and when do we use copyonwritearraylist?

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Why we use static and synchronized in method for single thread model example: public static synchronized add(){}

2 Answers  

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String Reverse in Java...!

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Where can I find data structures question and answers with comprehensive working code written in Java

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Explain about doubly linked list

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What are white spaces in java?

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What is difference between hashset and hashmap in java?

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What is keyword in oop?

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What is tcp and udp?

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