What is data persistence in java?
What is contextpath in java?
What is optional in java 8? What is the use of optional?advantages of java 8 optional?
What is proxy object in java?
what is constructer?what are the type of constructer with example.
Why Java is a platform independent language?Explain byte code and JVM
What is meant by rest api in java?
Can an application have multiple classes having main method?
What is explicit casting?
what are the types of constructer explain with example
What is scrollable resultset in java?
What is the difference between a jdk and a jvm?
Can the main method be overloaded?