/in/foo.c:1:1: error: unknown type name 'package'
 package project01;
 ^~~~~~~
/in/foo.c:3:1: error: unknown type name 'import'; did you mean 'short'?
 import java.util.Scanner;
 ^~~~~~
 short
/in/foo.c:3:12: error: expected '=', ',', ';', 'asm' or '__attribute__' before '.' token
 import java.util.Scanner;
            ^
/in/foo.c:5:1: error: unknown type name 'class'
 class Node{
 ^~~~~
/in/foo.c:5:11: error: expected '=', ',', ';', 'asm' or '__attribute__' before '{' token
 class Node{
           ^
/in/foo.c:18:1: error: unknown type name 'public'
 public class test1 {
 ^~~~~~
/in/foo.c:18:14: error: expected '=', ',', ';', 'asm' or '__attribute__' before 'test1'
 public class test1 {
              ^~~~~