Top 10 JAVA Interview Questions and Answers
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Questions covered in this video are
1) Can we declare a class as Abstract without having any abstract method?
2) What are the performance implications of Interfaces over abstract classes?
3) Does Importing a package imports its sub-packages as well in Java?
4) When a lot of changes are required in data, which one should be a preference to be used? String or StringBuffer?
5) A person says that he compiled a java class successfully without even having a main method in it? Is it possible?
6) Can we call a non-static method from inside a static method?
7) Can a dead thread be started again?
8) Can we use goto in Java to go to a particular line?
9) Is it possible to define a method in Java class but provide its implementation in the code of another language like C?
10) Can we have any other return type than void for main method?
Above will help both experienced and freshers to crack interviews.
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