What is a pojo class in java?
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Which framework is best for rest api java?
i heard that JVM internally contains pointers...is this true?
What is an action class in java?
Which method is used to create the daemon thread?
what is the use of a super keyword?
What is the use of lambda functions?
Can optional be null?
What can open a jar file?
What's a code group? : java security
What is a singleton in java?
What kind of thread is the garbage collector thread?
What is @resource annotation in java?