View Compilation Error

0_0_26646953_2986.cpp:1:1: error: 'package' does not name a type
 package wh.one;
 ^
0_0_26646953_2986.cpp:3:1: error: 'import' does not name a type
 import java.util.Scanner;
 ^
0_0_26646953_2986.cpp:4:1: error: 'import' does not name a type
 import java.util.regex.Matcher;
 ^
0_0_26646953_2986.cpp:5:1: error: 'import' does not name a type
 import java.util.regex.Pattern;
 ^
0_0_26646953_2986.cpp:7:1: error: expected unqualified-id before 'public'
 public class Main {
 ^