What is the use of 'super' keyword inside a constructor?
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What is the range of the short datatype?
What 5 doubled?
Is arraylist dynamic in java?
Difference between Map & Hashmap
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()); } }
Difference between object and reference?
what is meant by Garbage collection?
Is main a keyword in java?
What’s a deadlock?
What is the difference between abstract class and interface1? What is an interface?
How do you define a parameter?
What is an empty class? What functionality does it offer in Java?
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