Non-static attributes can be accessed without an instance of the class.

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:

Fill in the blank to create a piece of code that will tell whether int0 is divisible by 5: Boolean isDivisibleBy5 = _____

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"));