public class SomeClass { public static void main(String[] args) { System.out.println(((String)null).toUpperCase()); } } What is the result of the following program?

Are static fields of a class included in serialization?

What does a synchronized method use as a mutex in Java?

find the correct output: StringBuffer fb= new StringBuffer('one two one'); int i, j ; i= fb.indexOf('one'); System.out.println(i); j= fb.LastIndexOf('one'); System.out.println(j);

The Java Virtual Machine manages its own:

Which is not a legal identifier?

Which is the most up-to-date way to instantiate the current date?

By implementing encapsulation, you cannot directly access the class's _ properties unless you are writing code inside the class itself.

You have an ArrayList of names that you want to sort alphabetically. Which approach would NOT work?

What does this code print? System.out.print("apple".compareTo("banana"));

How do you write a foreach loop that will iterate over ArrayListpencilCase?