View Compilation Error

0_0_29040491_9965\Main.java:1: 错误: 非法字符: '#'
#include <stdio.h>
^
0_0_29040491_9965\Main.java:1: 错误: 需要class, interface或enum
#include <stdio.h>
         ^
0_0_29040491_9965\Main.java:5: 错误: 需要class, interface或enum
	while(scanf("%lf",&num)!=EOF)
	^
0_0_29040491_9965\Main.java:7: 错误: 需要class, interface或enum
	return 0;
	^
0_0_29040491_9965\Main.java:8: 错误: 需要class, interface或enum
}
^
5 个错误