View Compilation Error

0_0_38559532_11424.cpp:5:1: error: stray '@' in program
 @SuppressWarnings({"all"})
 ^
0_0_38559532_11424.cpp:2:1: error: 'import' does not name a type
 import java.util.LinkedList;
 ^
0_0_38559532_11424.cpp:3:1: error: 'import' does not name a type
 import java.util.Queue;
 ^
0_0_38559532_11424.cpp:4:1: error: 'import' does not name a type
 import java.util.Scanner;
 ^
0_0_38559532_11424.cpp:5:18: error: expected constructor, destructor, or type conversion before '(' token
 @SuppressWarnings({"all"})
                  ^
0_0_38559532_11424.cpp:5:26: error: expected unqualified-id before ')' token
 @SuppressWarnings({"all"})
                          ^