Can you achieve runtime polymorphism by data members?
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What are constructors in java?
How GC (Garbage Collector) knows the objects reference is unused.Whether GC removes the unused object Parmanently or it maintains something.
Java run-time system generates What class of exceptions?
What do you understand by java virtual machine?
Write program to print Hello World and print each character address in that string and print how many times each character is in that string? Ex: H: 0 & 1 e:1 & 1 l :2,3,8 & 3 o:4,6 & 2 w:5 & 1 r: 7 & 1 d 9 & 1
How many bytes is string in java?
What will be the output of round(3.7) and ceil(3.7)?
What is a java developer salary?
What is null object in java?
What is regex in java?
Explain Basics of OOP Language in java
Why we use multi threading instead of multiprocessing?