What java questions asked in technical round for companies?

Please have a look at this:

Please have a look at this:

PREVIEW_JAVA_J2EE_BOOK.pdf

This is one of the best Java Interview FAQ book I have come across so far.

This links will take you to sample book. You need to purchase full book if you like this.

Note: I have no connection with the author, publisher or seller of this book. I am referring this only because I liked that.