奈學(xué)P6-AI資深開發(fā)工程師
?private static void insetIntoDatabase() throws SQLException {
? ? ? ?throw new SQLException("重復(fù)的鍵值");
? ?}}class UserAlreadyExistException extends RuntimeException {
? ?public UserAlreadyExistException(String message, Throwable cause) {
? ? ? ?super(message, cause);
? ?}}
標(biāo)簽：
