What is polymorphism and what are the types of it?
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How are commas used in the initialization and iteration parts of a for statement?
Can you call a method on a null object?
What does substring mean?
How do you use substring in java?
What is default switch case? Give example.
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What is the syntax and characteristics of a lambda expression?
How do you read a char in java?
Can a class declared as private be accessed outside it’s package?
why java is not supporting multiple inheritence?