static void leapNum ( int l , int r ) {
  l -- ;
  int num1 = calNum ( r ) ;
  int num2 = calNum ( l ) ;
  System . out . print ( num1 - num2 + "\n" ) ;
}

static void leapNum ( int l , int r ) { l -- ; int num1 = calNum ( r ) ; int num2 = calNum ( l ) ; System . out . print ( num1 - num2 + " \n " ) ; }
(method_declaration (modifiers) type: (void_type) name: (identifier) parameters: (formal_parameters (formal_parameter type: (integral_type) name: (identifier)) (formal_parameter type: (integral_type) name: (identifier))) body: (block (expression_statement (update_expression (identifier))) (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) value: (method_invocation name: (identifier) arguments: (argument_list (identifier))))) (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) value: (method_invocation name: (identifier) arguments: (argument_list (identifier))))) (expression_statement (method_invocation object: (field_access object: (identifier) field: (identifier)) name: (identifier) arguments: (argument_list (binary_expression left: (binary_expression left: (identifier) right: (identifier)) right: (string_literal)))))))