Is java still necessary?
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What is array command?
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 the difference b/w PUT and POST method to send data to the server
What does jenkins do?
What is the use of volatile in java?
Explain Global variables in Packages?
Explain aggregation in java?
Why a dead thread occurs?
What happens when a class is made static like if a field or member is made static it becomes class variable and is shared by all the object of the class?
What are the main uses of this keyword?
How to split arraylist elements in java?
There can be a abstract class without abstract methods, but what is the need to declare a class abstract if it doesn't contain abstract methods?