What is a buffer in computer?
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What is the advantage of preparedstatement over statement?
Difference between String and String Buffer?
What is the null?
In how many ways we can the thread? in java
Explain the private protected method modifier?
What is not object oriented programming?
What is low level language in computer?
Why we use protected in java?
Can an unreferenced object be referenced again?
What is bom encoding?
can we access the method of class without creating the object of the class
I want to control database connections in my program and want that only one thread should be able to make database connection at a time. How can I implement this logic?