工具在JSP开发中的应用

package app; public class Calculate implements ICalculate { /* （非 Javadoc） * @see app.ICalculate#add(int, int) */ public int add(int a, int b) { return a+b; } /* （非 Javadoc） * @see app.ICalculate#div(int, int) */ public int div(int a, int b) { if ( b == 0 ) { return -1; } else { return a / b; } } public static void main(String[] args) { int re1 = Integer.parseInt( args[0] ); int re2 = Integer.parseInt( args[1] ); ICalculate testCal = new Calculate(); System.out.println("The add result is: " + testCal.add(re1, re2) ); System.out.println("The div result is: " + testCal.div(re1, re2) ); } }