import?java.util.Arrays;
public?class?HelloWorld?{
????????
????//完成?main?方法
????public?static?void?main(String[]?args)?{
????????int[]?scores={89,-23,64,91,119,52,73};
????????System.out.println("考試成績的前三名為:");
????????HelloWorld?hello=new?HelloWorld();
????????hello.showTop3(scores);
????????
????}
????
????//定義方法完成成績排序并輸出前三名的功能
????public?void?showTop3(int[]?scores){
????????Arrays.sort(scores);
????????int?num=0;
????????for(int?i=scores.length-1;i>=0;i--){
????????????if(scores[i]<0||scores[i]>100?){
????????????????continue;
????????????}
????????????num++;
????????????if(num>3){
????????????????break;
????????????????
????????????????
????????????}
????????????System.out.println(scores[i]);
????????}
???????
????}
????
????
????
????
????
????
????
????
????
}
2017-01-05
import java.util.Arrays;
public class HelloWorld {
public static void main(String[] args) {
int study[] = new int[] { 89, -23, 64, 91, 119, 52, 73 };
HelloWorld x = new HelloWorld();
x.getBest3(study);
}
public void getBest3(int a[]) {
Arrays.sort(a);
int count = 0;
System.out.println("考試成績的前三名為：");
for (int i = a.length - 1; count < 3; i--) {
if ((a[i] <= 100) && (a[i] >= 0)) {
System.out.println(a[i]);
count++;
}
}
}
}