View Compilation Error

0_0_26462688_30226\Main.java:1: 错误: 非法字符: '#'
#include <stdio.h>
^
0_0_26462688_30226\Main.java:1: 错误: 需要class, interface或enum
#include <stdio.h>
         ^
0_0_26462688_30226\Main.java:2: 错误: 非法字符: '#'
#define PI 3.1415927
^
0_0_26462688_30226\Main.java:6: 错误: 需要class, interface或enum
int i=0;
^
0_0_26462688_30226\Main.java:7: 错误: 需要class, interface或enum
while(i=0){
^
0_0_26462688_30226\Main.java:9: 错误: 需要class, interface或enum
v=r*r*r*PI*4/3;
^
0_0_26462688_30226\Main.java:10: 错误: 需要class, interface或enum
printf("%.3lf\n",v);
^
0_0_26462688_30226\Main.java:11: 错误: 需要class, interface或enum
}
^
0_0_26462688_30226\Main.java:13: 错误: 需要class, interface或enum
}
^
9 个错误