public static void main ( String args [ ] ) {
  Scanner in ;
  PrintStream out ;
  ;
}

public static void main ( String args [ ] ) { Scanner in ; PrintStream out ; ; }
(method_declaration (modifiers) type: (void_type) name: (identifier) parameters: (formal_parameters (formal_parameter type: (type_identifier) name: (identifier) dimensions: (dimensions))) body: (block (local_variable_declaration type: (type_identifier) declarator: (variable_declarator name: (identifier))) (local_variable_declaration type: (type_identifier) declarator: (variable_declarator name: (identifier)))))