View Compilation Error

0_0_6782504_23116\Main.java:1: illegal character: \35
#include <stdio.h>
^
0_0_6782504_23116\Main.java:2: illegal character: \35
#include <math.h>
^
0_0_6782504_23116\Main.java:7: class, interface, or enum expected
    double dis;
    ^
0_0_6782504_23116\Main.java:8: class, interface, or enum expected
    while(scanf("%lf%lf%lf%lf", &x1, &y1, &x2, &y2)!=EOF){
    ^
0_0_6782504_23116\Main.java:10: class, interface, or enum expected
        printf("%.2lf\n",dis);
        ^
0_0_6782504_23116\Main.java:11: class, interface, or enum expected
    }
    ^
0_0_6782504_23116\Main.java:13: class, interface, or enum expected
}
^
7 errors