View Compilation Error

833914_0_0_20416\Main.java:34: 需要 "class" 或 "interface"
                for (int j = 0; j < num; j++) {
                ^
833914_0_0_20416\Main.java:98: 需要 "class" 或 "interface"
                int s;
                ^
833914_0_0_20416\Main.java:100: 需要 "class" 或 "interface"
                for (int r = 0; r < list.size(); r++) {
                ^
833914_0_0_20416\Main.java:133: 需要 "class" 或 "interface"
            }
            ^
833914_0_0_20416\Main.java:138: 需要 "class" 或 "interface"
}
 ^
5 错误