public static void main ( String args [ ] ) {
  Integer N = 19 , X = 4 ;
  printPowerNumber ( X , N ) ;
}

public static void main ( String args [ ] ) { Integer N = 19 , X = 4 ; printPowerNumber ( X , N ) ; }
(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) value: (decimal_integer_literal)) declarator: (variable_declarator name: (identifier) value: (decimal_integer_literal))) (expression_statement (method_invocation name: (identifier) arguments: (argument_list (identifier) (identifier))))))