有java连接oracle数据库的代码吗?
时间: 2023-05-31 11:08:00 浏览: 58
是的,有连接Oracle数据库的Java代码。你可以使用JDBC(Java Database Connectivity)API来连接Oracle数据库。以下是一个简单的Java代码片段,用于连接Oracle数据库:
```
import java.sql.*;
public class OracleJDBCExample {
public static void main(String[] args) {
try {
// Register Oracle JDBC driver
Class.forName("oracle.jdbc.driver.OracleDriver");
// Define database URL, username, and password
String url = "jdbc:oracle:thin:@localhost:1521:XE";
String user = "username";
String password = "password";
// Establish connection to Oracle database
Connection conn = DriverManager.getConnection(url, user, password);
System.out.println("Connected to Oracle database!");
} catch (SQLException e) {
System.out.println("Connection to Oracle database failed!");
e.printStackTrace();
} catch (ClassNotFoundException e) {
System.out.println("Oracle JDBC driver not found!");
e.printStackTrace();
}
}
}
```