View Compilation Error

0_0_17471956_14878.cpp:15:9: error: stray '@' in program
         @Override
         ^
0_0_17471956_14878.cpp:1:1: error: 'import' does not name a type
 import java.math.BigDecimal;
 ^
0_0_17471956_14878.cpp:2:1: error: 'import' does not name a type
 import java.text.DecimalFormat;
 ^
0_0_17471956_14878.cpp:3:1: error: 'import' does not name a type
 import java.util.ArrayList;
 ^
0_0_17471956_14878.cpp:4:1: error: 'import' does not name a type
 import java.util.Arrays;
 ^
0_0_17471956_14878.cpp:5:1: error: 'import' does not name a type
 import java.util.Scanner;
 ^
0_0_17471956_14878.cpp:10:1: error: expected unqualified-id before 'public'
 public class Main {
 ^