import?java.util.Arrays;
public?class?HelloWorld?{
????
????//完成?main?方法
????public?static?void?main(String[]?args)?{
????????
????????HelloWorld?shuchu=new?HelloWorld();
????????int?scores[]={89,-23,64,91,119,52,73};
????????shuchu.chengji(scores);
????}
????
????//定義方法完成成績排序并輸出前三名的功能
????public?void?chengji(int?scores[])
????{???
????????int?count=0;
????????Arrays.sort(scores);
????????for(int?j=scores.length-1;j>=0&&count>=3;j--)
????????{
????????????if(scores[j]<0||scores[j]>100)
??????????????continue;????
????????????System.out.println(scores[j]);
????????????count++;
????????}
????}
???
}
2015-06-12
for()循環語句里面的判斷條件有錯。count是小于3,而不是count >= 3; 因為for語句一開始執行就結束了,count = 0,不滿足條件。為什么不能等于3呢,因為count 是從零開始的,只需要輸出三個數就好,count最大為2.
2015-06-09