cgi and perl programming

cgi and perl programming Assignment, Increment and Decrement OperatorsIn reality almost nobody writes for loops like we did in the previous sections. They would almost certainly use the increment or decrement operators instead. There are two of these, ++ and -- and they work like this.//Count to tenclass CountToTen { public static void main (String args[]) { int i; for (i=1; i <=10; i++) { System.out.

cgi and perl programming println(i); } System.out.println("All done!");}} //Count to ten??class BuggyCountToTen { public static void main (String args[]) { int i; for (i=1; i <=10; i--) { System.out.println(i); } System.

cgi and perl programming out.println("All done!"); }} When we write i++ we're using shorthand for i = i + 1. When we say i-- we're using shorthand fori = i - 1. Adding and subtracting one from a number are such common operations that these special increment and decrement operators have been added to the language. They also allow the compiler to be smarter about certain optimizations on some CPU architectures, but mainly they make code easier to write and read.

cgi and perl programming

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cgi and perl programming