What is concurrent hashmap and its features?
What ide should I use for java?
Difference between comparator and comparable in java?
what is the main differene between synchronize() method and Synchronize{}block?
Explain Big-O notation with an example
Can we pass a primitive type by reference in java? How
What is a class reference?
why we import both packages java.awt.*; and java.awt.event.*; as java.awt.*; can import all classes na. then what is the need of importing java.awt.event.*; ?
Explain aggregation in java?
Why stringbuilder is not thread safe in java?
Is java a super set of javascript?
What is a numeric digit?
what is aberivation of java?