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View Compilation Error

0_0_17357253_18119\Main.java:1: 错误: 需要class, interface或enum
importjava.util.*;    
^
0_0_17357253_18119\Main.java:2: 错误: 需要class, interface或enum
publicclass Main {     
^
0_0_17357253_18119\Main.java:5: 错误: 需要class, interface或enum
while(scan.hasNextDouble()){    
^
0_0_17357253_18119\Main.java:7: 错误: 需要class, interface或enum
int a1=0,a2=0,a3=0; 
^
0_0_17357253_18119\Main.java:8: 错误: 需要class, interface或enum
if(n==0.0)break; 
^
0_0_17357253_18119\Main.java:9: 错误: 需要class, interface或enum
for(inti=1;i<=n;i++){ 
^
0_0_17357253_18119\Main.java:9: 错误: 需要class, interface或enum
for(inti=1;i<=n;i++){ 
           ^
0_0_17357253_18119\Main.java:9: 错误: 需要class, interface或enum
for(inti=1;i<=n;i++){ 
                ^
0_0_17357253_18119\Main.java:11: 错误: 需要class, interface或enum
if(a<0) a1++; if(a==0) a2++; if(a>0) a3++;             
^
0_0_17357253_18119\Main.java:11: 错误: 需要class, interface或enum
if(a<0) a1++; if(a==0) a2++; if(a>0) a3++;             
              ^
0_0_17357253_18119\Main.java:11: 错误: 需要class, interface或enum
if(a<0) a1++; if(a==0) a2++; if(a>0) a3++;             
                             ^
0_0_17357253_18119\Main.java:12: 错误: 需要class, interface或enum
}  
^
0_0_17357253_18119\Main.java:14: 错误: 需要class, interface或enum
 }     }     }
 ^
13 个错误


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