View Compilation Error

0_0_18600683_22676.cpp:2:9: error: expected ':' before 'static'
  public static void main(String[] args){
         ^
0_0_18600683_22676.cpp:2:26: error: 'String' has not been declared
  public static void main(String[] args){
                          ^
0_0_18600683_22676.cpp:2:35: error: expected ',' or '...' before 'args'
  public static void main(String[] args){
                                   ^
0_0_18600683_22676.cpp:7:1: error: expected ';' after class definition
 }
 ^
0_0_18600683_22676.cpp: In static member function 'static void A::main(int*)':
0_0_18600683_22676.cpp:5:3: error: 'System' was not declared in this scope
   System.out.println(A+B);
   ^