When should I use singleton pattern?
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What is the maximum size of hashmap in java?
what are depricated methods ?
What is charat java?
What do you mean Abstraction in java?
What technique is carried out to find out if a particular string is empty?
Why string is called as immutable?
Is null in java?
Can a static method be overridden in java?
What is meant by class loader? How many types are there? When will we use them?
What is meant by Static query and Dynamic query?
How two different class threads communicate with each other?. send example code.
What is mnemonic in assembly language?