What is a lock or purpose of locks in java?
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What is hashset in java?
What is difference between final and finally in java?
In java, what is the difference between method overloading and method overriding?
What are the different ways of implementing thread? Which one is more advantageous?
In Java, what are this() and super(), and where are you required to use them?
How do you find the independent variable?
How many types of the indexof method are there for strings?
How to stop a thread in java? Explain about sleep () method in a thread?
what is the volatile modifier for? : Java thread
Difference between canvas class & graphics class?
What is equlas() and hashcode() contract in java? Where does it used?
What is a nested structure?