View Compilation Error

0_0_13260637_10223.cpp:3:1: error: 'import' does not name a type
 import java.util.LinkedList;
 ^
0_0_13260637_10223.cpp:4:1: error: 'import' does not name a type
 import java.util.Queue;
 ^
0_0_13260637_10223.cpp:5:1: error: 'import' does not name a type
 import java.util.Scanner;
 ^
0_0_13260637_10223.cpp:15:9: error: expected ':' before 'Fm'
  public Fm() {
         ^
0_0_13260637_10223.cpp:18:1: error: expected ';' after class definition
 }
 ^
0_0_13260637_10223.cpp:20:1: error: expected unqualified-id before 'public'
 public class Main {
 ^