src.cpp:1:1: error: 'package' does not name a type
package www.light;
^
src.cpp:3:1: error: 'import' does not name a type
import java.util.LinkedList;
^
src.cpp:4:1: error: 'import' does not name a type
import java.util.Queue;
^
src.cpp:5:1: error: 'import' does not name a type
import java.util.Scanner;
^
src.cpp:14:1: error: expected unqualified-id before 'public'
public class Main1 {
^