What is Gang of four design patterns
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What is the difference between synchronized and synchronized block?
Is a class subclass of itself?
What is the difference between import java.util.date and java .util?
What is difference between calling start() and run() method of thread?
Explain about method local inner classes or local inner classes in java?
What does null mean in java?
Can you change array size in java?
what is jndi?
When is an object subject to garbage collection?
Explain the public class modifier?
What is the benefit of singleton pattern?
what are the differences between final,finally,finalize methods?