Why singleton class is used in java?
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Can a constructor be made final?
What is the purpose of the return statement?
how can you retrive information from database by using hashmap/arraylist ,plz explain with example briefly?
Explain access specifiers?
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Is int a class in java?
What do you understand by synchronization?
What is preparedstatement in java?
What is the difference between error and an exception?
WHAT IS JDK,JVM,CLASS DEFINE ALL?
If you are given the name of the function at run time how will you invoke the function?
What are the benefits of operations?
How do I get the | symbol on my keyboard?