View Compilation Error

0_0_35265333_12010\Main.java:2: 错误: 需要class, interface或enum
public classMain{
       ^
0_0_35265333_12010\Main.java:5: 错误: 需要class, interface或enum
String String;
^
0_0_35265333_12010\Main.java:6: 错误: 需要class, interface或enum
while(in.hasNext()){
^
0_0_35265333_12010\Main.java:8: 错误: 需要class, interface或enum
if((m>=90)&&(m<=100)){
^
0_0_35265333_12010\Main.java:10: 错误: 需要class, interface或enum
}
^
0_0_35265333_12010\Main.java:13: 错误: 需要class, interface或enum
}
^
0_0_35265333_12010\Main.java:16: 错误: 需要class, interface或enum
}
^
0_0_35265333_12010\Main.java:19: 错误: 需要class, interface或enum
}
^
0_0_35265333_12010\Main.java:22: 错误: 需要class, interface或enum
}
^
0_0_35265333_12010\Main.java:24: 错误: 需要class, interface或enum
System.out.println(string);
^
0_0_35265333_12010\Main.java:25: 错误: 需要class, interface或enum
}
^
11 个错误