Explain the difference between string, stringbuffer and stringbuilder in java?
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Which class has no duplicate elements?
Write java code to print "Hello how are you" Thread1 should have "Hello" Thread2 should have "how are you" both the threads should start at the same time
How do generics work in java?
explain Anonynous inner class?
Does garbage collection guarantee that a program will not run out of memory?
What is a generic type?
What is class and its types?
What is map in java?
Define how does a try statement determine which catch clause should be used to handle an exception?
How to add and remove nodes in Jtree?
Mention the default values of all the elements of an array defined as an instance variable.
WHAT IS THE SCOPE FOR COREJAVA...? IS JAVA ONLY CORE JAVA ?