What is volatile data type?
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Describe different states of a thread.
how do you store phone numbers using java collections
Is string is a data type?
Difference between String and StringBuffer.
How GC (Garbage Collector) knows the objects reference is unused.Whether GC removes the unused object Parmanently or it maintains something.
What is the size of an array?
int a=1; float b=1.0; System.out.println(a==b);
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What are nested classes in java?
Does chrome use java?
Explain aggregation in java?
Do I need to import java.lang package any time? Why?
explain autoboxing in java?