View Compilation Error

0_0_39655014_4359\Main.java:14: 错误: 不是语句
isPrime int value = n * n+n+41; 
^
0_0_39655014_4359\Main.java:14: 错误: 需要';'
isPrime int value = n * n+n+41; 
       ^
0_0_39655014_4359\Main.java:23: 错误: 需要class, interface或enum
public static boolean isPrime(int num) { 
              ^
0_0_39655014_4359\Main.java:24: 错误: 需要class, interface或enum
for (int i = 2; i <= num/2; i++) {
                ^
0_0_39655014_4359\Main.java:24: 错误: 需要class, interface或enum
for (int i = 2; i <= num/2; i++) {
                            ^
0_0_39655014_4359\Main.java:27: 错误: 需要class, interface或enum
}
^
0_0_39655014_4359\Main.java:30: 错误: 需要class, interface或enum
}
^
7 个错误