Heller, P. (1997). Java 1.1. developer's handbooks. BPB.
Chicago Style (17th ed.) CitationHeller, Philip. Java 1.1. Developer's Handbooks. New Delhi: BPB, 1997.
MLA (9th ed.) CitationHeller, Philip. Java 1.1. Developer's Handbooks. BPB, 1997.
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