JAVA
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Java(2) - Java data type
1. boolean2. char3. int, following 4 type takes 1 2 4 8 space, default is 0.byte, (-128~127), enough for date definition.short, (-2^15 ~ 2^15-1)int, (-2^31 ~ 2^31-1)long, (-2^63 ~ 2^63-1)...
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Java(1) - Java environment setup
1. Install JDK.2. Open CMD window, sent key as set path = %path%;C:\Program Files\Java\jre1.5.0_08\bin3. Open CMD windows, sent key as javacIf the screen did not have error, then you have setup s...
