e***c
发帖数: 68 | 1 7. Using an IDE
http://www.sun.com/forte/ffj/ce/
Fote is quite nice, however, it requires big memory :(
8. There are constants, Double.POSITIVE_INFINITY, Double.NEGATIVE_INFINITY,
and Double.NaN.
There are rarely used in prectice. Maybe you will check whether a varible is
a number.
if( Double.isNaN(x) ) //Check whether x is "not a number".
9. Although Java is sensitive, in general, we should avoid two names that on
ly differ in their letter
case.
Box box; //ok--Box is the type and box is the var |
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