What is serializable interface?
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Does java have extension methods?
Can singleton class be serialized?
What is class variable java?
What is set string?
What are invisible components?.
What is basic syntax?
Explain about exception propagation?
What are heterogeneous objects?
Can we create an object of static class in java?
What is object data type?
Is Java Class Threadsafe ????? How to make Java class Thread safe??
What is adapter in java?