package?a22;
import?java.util.Arrays;
public?class?Lian9?{
	public?static?void?main(String[]?args)?{
		int?[]scores=?{89?,?-23?,?64?,?91?,?119?,?52?,?73};
		
		Lian9?hello=new?Lian9();
		System.out.println("考試成績的前3名為：");
		hello.text(scores);
		
	}
	public?void?text(int?[]?scores)?{
		Arrays.sort(scores);
		int?num=0;
		for(int?i=scores.length;i>=0;i--)?{
			if(scores[i]>=0&&scores[i]<=100?)?{
				num++;
			}
			System.out.println(scores[i]);
			if(num>2)?{
				break;
			}
		}
		
	}
}

運行結(jié)果是這樣的：

考試成績的前3名為：

Exception in thread "main" java.lang.ArrayIndexOutOfBoundsException: 7

at a22.Lian9.text(Lian9.java:16)

at a22.Lian9.main(Lian9.java:9)