What is a parameter in simple terms?
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What is difference between static method and static variable?
What is a package in java? List down various advantages of packages.
how and when compiler knows that the Java code throws the checked Exception.
what are the diffrences between interface and abstract class?
Which is fastest collection in java?
When you say String is immutable, what do you mean by that? Say I have String s = "Ness" s= s+"Technologies"; What will happen? If the value gets appended, then what is the meaning of immutable here?
Differentiate between overriding and overloading cases?
Explain purpose of sleep() method in java?
Explain hashset and its features?
Write a method that will remove given character from the string?
wahts is mean by thread?
22 Answers HCL, TCS,
Convert a BST into a DLL and DLL to BST in place.