explain autoboxing in java?
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What are synchronized methods ?
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 left shift and right shift?
What is a treeset class?
Write a java program to generate fibonacci series ?
What is the difference between JDBC 1.0 and JDBC 2.0?
Why is it important to initialize a variable?
Is it possible to write a regular expression to check if string is a number?
StringBuilder s = new StringBuilder("Hello Mom");s.append(",I mean,Mother"); Response.Write(s.ToString()); String s = "Hello Mom"; s+ = ",I mean Mom"; Response.Write(s); Which is faster ? which uses the most memory?
Difference between overloading and overridding?
for what purpose we use applets ?
Why java is a platform independent? Explain