What is an error in java?
What does system.gc() and runtime.gc() methods do?
Name some OOPS Concepts in Java?
What is a double?
What are the different ways of implementing thread? Which one is more advantageous?
How do you remove an element from an arraylist in java?
How many threads can I run java?
What are File and RandomAccessFile classes?
Can u write constructor in abstract.If yes den when it will be invoked.
Why is sizeof not a function?
What is the covariant return type?
What is an example of a keyword?
What are recursive functions?