Why do I need to declare the type of a variable in java?
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What is null in java?
Can we define static methods inside interface?
What is the difference between the file and randomaccessfile classes?
What will be the output of the program? public class Test { public static void main(String args[]) { ArrayList<String> list = new ArrayList<String>(); list.add("2"); list.add("3"); list.add("4"); list.add("5"); System.out.println("size :"+list.size()); for(int i=0;i<list.size();i++) { list.remove(i); } System.out.println("size after:"+list.size()); } }
How to call one constructor from the other constructor ?
How is tree Mirroring implemented?
What is JAVA? Why it is platform independent?
Is empty string in java?
What is inheritance?
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What is the difference between overriding and overloading in OOPS.
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What is a condition in java?
Write code of any action class?