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Creating threads in Java Two things to do to create threads in java: (1) Create a task (object) //Creating a task public class TaskClass implements Ru 阅读全文
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A brief review of Database Database (DB): an organised collection of data Relational DBs (first published by Edgar F. Codd (IBM) in 1970) store data i 阅读全文
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File Overview I/O = Input/Output, here it is input to and output from programs Inputs can be from: Keyboard Files Etc. Output can be: Screen Files Etc 阅读全文