Java使用JDBC连接Oracle数据库

 import java.sql.Connection;
 import java.sql.Driver;
 import java.sql.DriverManager;

 /**
  * @author liuwenlong
  * @create 2020-08-11 14:36:20
  */
 @SuppressWarnings("all")
 public class LwlSql {
     public static void main(String[] args) {
         Connection conn = null;
         try {
             //第一步，测试是否已经添加了操作oracle的jar包
             Class.forName("oracle.jdbc.driver.OracleDriver");
             //第二步：和数据库连接
             conn = DriverManager.getConnection("jdbc:oracle:thin:@192.168.1.3:1521:xe", "hr", "123456");

             //第三步，创建执行sql语句的对象
             java.sql.Statement st = conn.createStatement();
             st.executeUpdate("create table lwl(id number(2),sex varchar(2),brith date)");//可以执行ddl+增删改 ,不能执行select
             st.executeUpdate("insert into lwl(id,sex,brith) values(1,'a',to_date('2009-06-08','YYYY-DD-MM'))");

             System.out.println("end！");
         } catch (Exception e) {
             System.err.println(e.getMessage());
         }
     }
 }