What is bubble sort in java?
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What is regex used for?
Why we used break and continue statement in java?
What is the basic concept of java?
Does java map allow duplicates?
Does variable declaration allocate memory?
What is double data type?
When a thread is executing a synchronized method , then is it possible for the same thread to access other synchronized methods of an object ?
What is inner class?what is the use of inner class?where we create the object for inner class? and inner class can extend any class or inner class can implement any interface?
what is Hashmap & Hashtable wirh example?
Can we assign the reference to this variable?
How many techniques can be employed to create a string object?
What does a za z0 9 mean?