这是啥意思啊

运行失败

HelloWorld.java:11: error: class, interface, or enum expected
public void showTop3(int[] scores){
       ^
HelloWorld.java:13: error: class, interface, or enum expected
    int num=0;
    ^
HelloWorld.java:14: error: class, interface, or enum expected
    for (int i=scores.length-1;i>=0;i--){
    ^
HelloWorld.java:14: error: class, interface, or enum expected
    for (int i=scores.length-1;i>=0;i--){
                               ^
HelloWorld.java:14: error: class, interface, or enum expected
    for (int i=scores.length-1;i>=0;i--){
                                    ^
HelloWorld.java:16: error: class, interface, or enum expected
        continue;}
                 ^
HelloWorld.java:18: error: class, interface, or enum expected
        if(num>=3){
        ^
HelloWorld.java:20: error: class, interface, or enum expected
        }
        ^
HelloWorld.java:22: error: class, interface, or enum expected
    }
    ^
9 errors