What is xml file in java?
What is java net url?
what is jdbc?
What is the java api?
What is a flatmap?
Which class is the superclass of every class?
What are tlds in java?
What does jpa mean?
why i can not access private variable in other class?
What is java bean class?
What is serializable in java?
What is jar file in java?
explain how java se 8 data and time api solves issues of old java date api?