View Compilation Error

0_0_37984232_12289.cpp:1:1: error: 'package' does not name a type
 package java01;
 ^
0_0_37984232_12289.cpp:2:2: error: 'import' does not name a type
  import java.util.Scanner;
  ^
0_0_37984232_12289.cpp:3:1: error: expected unqualified-id before 'public'
 public class HelloWorld{
 ^