Can we store variables in local blocks?
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Can we sort a map in java?
What are the difference between string, string builder, and string buffer in java?
Define immutable object?
Explain the access modifiers for a class, method and variables?
What is method overriding in java ?
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Explain runtime exceptions?
What is a singleton class? Give a practical example of its usage.
Why char array is favored over string for the storage of passwords?
Explain the difference between abstract classes and interfaces in java?
What is the static field modifier?
What is the basic concept of java?