A call to System.gc() does what?

What is the default scope of a method?

If I write System.exit (0); at the end of the try block, will the finally block still execute?

Does Java provide any construct to find out the size of an object?

Which is false regarding a class of a JavaBeans component?

Can a HashMap contain a null key?

How can you achieve runtime polymorphism in Java?

Given the string "strawberries" saved in a variable called fruit, what would fruit.substring(2, 5) return?

Data items you use in a call to a method are called ____.

A literal string is a(n) ____ object.

Abc.compareto("aba") returns ________.