/in/Main.java:1: error: illegal character: '#'
#include <stdio.h>
^
/in/Main.java:1: error: class, interface, or enum expected
#include <stdio.h>
         ^
/in/Main.java:6: error: class, interface, or enum expected
	int b = 2;
	^
/in/Main.java:7: error: class, interface, or enum expected
    printf("hello, world\n");
    ^
/in/Main.java:8: error: class, interface, or enum expected
}
^
5 errors