What is functional interface in javatpoint?
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What is data type modifier?
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()); } }
What is core java called?
which method is used to know the status of the Thread?
Why we go for collections in java?
Does collectionutils isempty check for null?
Explain different ways of passing arguments to sub-routine?
Can an interface extend a class?
What is a priority queue java?
Is there a jre for java 11?
what is Thread?
What is the purpose of lambda expressions?