Should you use singleton pattern?
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what is use of threads how many ways to create thread
What is data movement?
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can used Protected Class outside Function.?
Explain wrapper classes in java?
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Can we catch more than one exception in a single catch block?
What is pre increment and post increment in java?
Can we override the main method?
Why can't we use static class instead of singleton?
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Which method you will use to create a new file to store some log data. Each time a new log entry is necessary, write string to the file in java ?