View Compilation Error

0_0_39046910_21389\Main.java:1: 错误: 非法字符: '#'
#include<iostream>
^
0_0_39046910_21389\Main.java:1: 错误: 需要class, interface或enum
#include<iostream>
        ^
0_0_39046910_21389\Main.java:3: 错误: 需要class, interface或enum
int main()
^
0_0_39046910_21389\Main.java:6: 错误: 需要class, interface或enum
	int A, B, sum = 0;
	^
0_0_39046910_21389\Main.java:7: 错误: 需要class, interface或enum
	while (cin >> n)        //输入n
	^
0_0_39046910_21389\Main.java:12: 错误: 需要class, interface或enum
			sum = A + B;
			^
0_0_39046910_21389\Main.java:13: 错误: 需要class, interface或enum
			cout << sum << endl;
			^
0_0_39046910_21389\Main.java:14: 错误: 需要class, interface或enum
		}
		^
0_0_39046910_21389\Main.java:17: 错误: 需要class, interface或enum
}
^
9 个错误