View Compilation Error

0_0_30773454_29443.cpp:1:1: error: 'Scanner' does not name a type
 Scanner sc=new Scanner(System.in); 
 ^
0_0_30773454_29443.cpp:2:15: error: 'sc' was not declared in this scope
         int n=sc.nextInt(); 
               ^
0_0_30773454_29443.cpp:3:9: error: expected unqualified-id before 'while'
         while(n-->0){ 
         ^
0_0_30773454_29443.cpp:8:13: error: 'System' does not name a type
             System.out.println(s); 
             ^
0_0_30773454_29443.cpp:9:9: error: expected declaration before '}' token
         } 
         ^