java Technical questions asked by JPMC
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How is string immutable in java?
What is singleton service?
What is the base class of all exception classes in java?
Can inner class have constructor?
Can you run java program without main method?
design an lru cache in java?
How many bits are used to represent unicode, ascii, utf-16, and utf-8 characters in java programming?
Explain covariant method overriding in java.
How many boolean functions are there?
Can this keyword be used to refer static members?
Is a string literal?
Is void a wrapper class?