Can you have two constructors in java?
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What is jar?
How GC (Garbage Collector) knows the objects reference is unused.Whether GC removes the unused object Parmanently or it maintains something.
diff b/w sleep(1000) and wait(1000)?
Why java is used everywhere?
What are 5 boolean operators?
How can you eliminate duplicates?
Which software is used for java programming?
Can finally block be used without a catch?
When a lot of changes are required in data, which one should be a preference to be used? String or stringbuffer?
C and C++ has constructors and distructors, why does Java does not have distructors?
Can we use string in the switch case?
Which class has no duplicate elements?