In this chapter we have mentioned the data types int and String. Java has more predefined data types. Find out what they are and what they are used for. To do this, you can check Appendix B, or look it up in another Java book or in an online Java language manual. One such manual is at
http://down!oad.oracle.com/javase/tutoria1/java/nutsandbolts/datatypes.html
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