What is singleton class and how can we make a class singleton?

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Hey buddy.. can you please tell me about the use of marker interface? And is there any link between marker interface and factory methods? Thanks in advance.

2 Answers  

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What is the purpose of premetive data types in java?

2 Answers   Merrill Lynch, TCS,

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What is the difference between int and integer in java?

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What is array and arraylist in java?

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What are the differences between stringbuffer and stringbuilder?

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Compare Mutex and Semaphore in java.

0 Answers   Ciena,

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What is the maximum size of a string in java?

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What sorting algorithm does javascript use?

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What are advantages of using Java?s layout managers than windowing systems?

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Why java is made?

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how your day start in your company

1 Answers  

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