View Compilation Error

0_0_34285072_23778.cpp:4:1: error: stray '@' in program
 @SuppressWarnings("unchecked")
 ^
0_0_34285072_23778.cpp:1:1: error: 'import' does not name a type
 import java.io.*;
 ^
0_0_34285072_23778.cpp:2:1: error: 'import' does not name a type
 import java.util.*;
 ^
0_0_34285072_23778.cpp:4:18: error: expected constructor, destructor, or type conversion before '(' token
 @SuppressWarnings("unchecked")
                  ^