View Compilation Error

0_0_20340722_21857.cpp:1:1: error: 'import' does not name a type
 import java.util.*;
 ^
0_0_20340722_21857.cpp:3:12: error: expected ':' before 'static'
     public static void main(String arg[]){
            ^
0_0_20340722_21857.cpp:3:29: error: 'String' has not been declared
     public static void main(String arg[]){
                             ^
0_0_20340722_21857.cpp:9:1: error: expected ';' after class definition
 }
 ^
0_0_20340722_21857.cpp: In static member function 'static void Main::main(int*)':
0_0_20340722_21857.cpp:4:10: error: 'Scanner' was not declared in this scope
          Scanner sc=new Scanner(System.in);
          ^
0_0_20340722_21857.cpp:5:16: error: 'sc' was not declared in this scope
          int a=sc.nextInt();
                ^
0_0_20340722_21857.cpp:7:10: error: 'System' was not declared in this scope
          System.out.println(a+b);
          ^