View Compilation Error

0_0_34958602_31150.cpp:1:1: error: 'package' does not name a type
 package acm1026;
 ^
0_0_34958602_31150.cpp:10:1: error: 'import' does not name a type
 import java.util.*;
 ^
0_0_34958602_31150.cpp:12:23: error: expected initializer before 'Comparable'
 class Node implements Comparable<Node>
                       ^