What is Java Package and which package is imported by default?
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How to store image in arraylist in java?
How do you create a null object?
How many bits is a string?
what do you mean by marker interface in java?
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 about main thread in java?
What is the purpose of the File class?
What are examples of modifiers?
How do you override a method in java?
what is the messsage u r going to get from an objectoriented programing?
can you create interface instance ?
What is java and why do we need it? Explain