Is string is a data type?
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explain the concept of virtual method invocation in polymorphism in detail?
What is an abstract class and abstract method?
Difference between method overloading and overriding.
Explain the public class modifier?
what is inner class?
what is bytecode ?explain in detail and watz the difference between bytecode and machine code?
How do you identify if jvm is 32-bit or 64-bit from java program?
what is difference between length and length()?
Describe the term diamond problem.
What is private static in java?
How to set the permissions to a file in java?
What makes a function well defined?