What is the purpose of default constructor?
Which package is used for pattern matching with regular expressions?
How finally used under exception handling?
What kind of variables a class can consist of?
What is the difference between stringbuffer and stringbuilder class?
Explain the usage of this with constructors?
What is protected access modifier?
What is final class?
What things should be kept in mind while creating your own exceptions in java?
Which are the two subclasses under exception class?
Define jre i.e. Java runtime environment?
What are the two ways in which thread can be created?
Is break statement can be used as labels in java?
Why is string class considered immutable?
How java enabled high performance?