View Compilation Error

0_0_34552135_8049.cpp:1:1: error: 'import' does not name a type
 import java.text.DecimalFormat;
 ^
0_0_34552135_8049.cpp:2:1: error: 'import' does not name a type
 import java.util.Scanner;
 ^
0_0_34552135_8049.cpp:4:1: error: 'import' does not name a type
 import org.apache.commons.collections.bag.SynchronizedSortedBag;
 ^
0_0_34552135_8049.cpp:6:1: error: expected unqualified-id before 'public'
 public class Main {
 ^