View Compilation Error

0_0_19215843_21841.cpp:1:1: error: 'import' does not name a type
 import java.io.*;
 ^
0_0_19215843_21841.cpp:2:2: error: 'import' does not name a type
  import java.util.*;
  ^
0_0_19215843_21841.cpp:3:2: error: 'import' does not name a type
  import java.math.*;
  ^
0_0_19215843_21841.cpp:5:2: error: expected unqualified-id before 'public'
  public class Main
  ^