Why strings in java are called as immutable?
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What is singleton class and how can we make a class singleton?
Which is not Object in Java?
Explain the difference between hashmap and hashtable in java?
When try and catch block is used ?
Explain the JDB in depth & command line.
What is the symbol for average?
How to create packages in java?
What is a constructor overloading in java?
How can you handle java exceptions?
Explain the selection sort algorithm?
What is difference between hashset and hashmap in java?
What is diffrance between FINALIZE() & FINALLY ?