测试 live writer 用

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package kg.tom.chapter_five;   //异常为循环而抛 public class Loop_42 {           public static void main(String[] args) {         int [][] tests = {{6,5,4,3,2,1},{1,2},{1,2,3},{1,2,3,4},{1}};                   int successCount = 0;                   try {                                         //不用使用异常控制循环，应该只为异常条件而使用异常 //            int i =0; //            while(true){ //                if (thirdElementIsThree(tests[i++])) //                    successCount++; //            } //            for (int i = 0; i < tests.length; i ++){ //                if(thirdElementIsThree(tests[i])) //                    successCount++; //                //            }                           //jdk 5.0以后             for(int[] test : tests){                 if(thirdElementIsThree(test))                     successCount++;             }                           System.out.println(successCount);                       } catch (ArrayIndexOutOfBoundsException e) {             // TODO: handle exception             e.printStackTrace();         }                     }       private static boolean thirdElementIsThree(int[] is) {         //注意运算符重载问题!!    //        return is.length >=3 & is[2] == 3;                   //         return is.length >=3 && is[2] == 3;     }   }

测试一下更新……………!!!