Why are pointers not secure?
Why arraylist is used in java?
Define inheritance with reference to java.
Describe what a thread-local variable is in java?
What are void methods?
What is the difference between exception and error in java?
What is the default size of set in java?
Why do we use regex?
wat is class level lock and object level lock
What is Major and importance difference between for and foreach loop ?
WHAT IS JDK,JVM,CLASS DEFINE ALL?
Can I declare class as static or private?
What are some characteristics of interference class?