View Compilation Error

0_0_15909069_30160\Main.java:1: 错误: 需要class, interface或enum
public static void main(String[] args) {
              ^
0_0_15909069_30160\Main.java:3: 错误: 需要class, interface或enum
C=A+B;
^
0_0_15909069_30160\Main.java:4: 错误: 需要class, interface或enum
System.out.println(C);
^
0_0_15909069_30160\Main.java:5: 错误: 需要class, interface或enum
	}
	^
4 个错误