View Compilation Error

0_0_17355445_22054\Main.java:2: 错误: 需要class, interface或enum
publicclass Main {    
^
0_0_17355445_22054\Main.java:3: 错误: 需要class, interface或enum
public static void main(String args[]) {        
              ^
0_0_17355445_22054\Main.java:5: 错误: 需要class, interface或enum
int a, b;    
^
0_0_17355445_22054\Main.java:6: 错误: 需要class, interface或enum
int n=cin.nextInt(); 
^
0_0_17355445_22054\Main.java:7: 错误: 需要class, interface或enum
for(int i=1;i<=n;i++) {   
^
0_0_17355445_22054\Main.java:7: 错误: 需要class, interface或enum
for(int i=1;i<=n;i++) {   
            ^
0_0_17355445_22054\Main.java:7: 错误: 需要class, interface或enum
for(int i=1;i<=n;i++) {   
                 ^
0_0_17355445_22054\Main.java:9: 错误: 需要class, interface或enum
 b = cin.nextInt();  
 ^
0_0_17355445_22054\Main.java:10: 错误: 需要class, interface或enum
 System.out.println(a + b);          
 ^
0_0_17355445_22054\Main.java:11: 错误: 需要class, interface或enum
 }     
 ^
10 个错误