Can an abstract class be a final class?

Keyword used to access members or methods of superclass?

What is auto boxing?

Reflection mechanism allows to:

package test; class Test { } ---------------- package test; class SubTest extends Test{ } Does this code compile without errors if the classes are in separate files?

What will be the output of the program? public class Foo { public static void main(String[] args) { try { return; } finally { System.out.println( "Finally" ); } } }

What is the output? public static void main(String[] args) { int x=10; if(x++ > 9 && x++ == 12){ ++x; } System.out.println(x); }

You need to keep a list of one million objects sorted at all times having 100 random inserts and delete per second. Reads from the list are always done in sorted order. You would:

Which of the following are not a valid declarations?

True or false: Lambdas allow you to change single instance's method logic

Which code fragments correctly create and initialize a static array of int elements?