How OOPS concept is achieved in Java?6 21603
Explain difference between final, finally and finalize?3 26994
what is the difference between abstract class and Interface?where we can use it in realtime projects?23 63012
explain System.out.println107 169532
What is hard code & soft code?7 56959
What is Hash Code in Java?6 13439
What are uses of Hash Code?2 6083
Difference between interface and abstract class with ex.4 7613
What is multithreading ???? How to stop multithrading in java????1 4314
Suppose there is an array list [10,5,20,19,15,24].Print them in ascending & descending order in collection framework concept ???2 5663
What is default specifier ??? Use of default specifier ???4 6207
Is Java Class Threadsafe ????? How to make Java class Thread safe??2 6597
I have a string like _a01_a02_a03_ and another string like _2_1.5_4_ as input.I want to extract a01,a02... to a string array and 2,1.5,etc to a double array with a01 corresponds to 2 and a02 to 1.5 etc. Need code in core java.. Can you do it?1 3314
What are non-access modifiers?2 2525
Why do we need to override equals() and hascode() method of object class?1 2308
Post New Cognizant Core Java Interview Questions
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