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What is super keyword in java ?
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How do you use find and replace?
what is polymorphism with example?types of polymorphism?
What is cloneable interface?
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whats string ?
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()); } }
Sample code to retrieve objects from HashMap in sorted ascending order?
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how its run?
Differentiate between vector and array list.
Core Java 
