MyEclipse Connecting to Oracle Database (must-see for beginners)

Preface: Just contact Oracle database, there is a need, write console program, realize the owner login. The database is Oracle. The following is a detailed description of the MyEclipse connection to the Oracle database.

Importjava.sql.Connection;ImportJava.sql.DriverManager;Importjava.sql.PreparedStatement;ImportJava.sql.ResultSet;Importjava.sql.SQLException;ImportJava.util.Scanner; Public classORACLEJDBC { Public Static voidMain (string[] args) {//Instantiate keyboard inputScanner input =NewScanner (system.in); //Prompt for user nameSystem.out.println ("Please enter user name:"); String loginID=Input.next (); //prompt to enter a passwordSystem.out.println ("Please Enter password:"); String Password=Input.next (); //database name and login passwordString driver= "Oracle.jdbc.driver.OracleDriver"; String URL= "Jdbc:oracle:thin: @localhost: 1521:orcl"; String User= "Epet"; String pwd= "123456"; Connection Con=NULL; PreparedStatement PS=NULL; ResultSet RS=NULL; Try{class.forname (driver); Con=drivermanager.getconnection (URL,USER,PWD); //Writing SQL statementsString sql= "SELECT * from Master where loginid=? and password=? "; //get the result setps=con.preparestatement (SQL); Ps.setstring (1, loginID); Ps.setstring (2, password); RS=Ps.executequery (); if(Rs.next ()) {System.out.println ("Log in Success!!!" "); }Else{System.out.println ("User name or password error, Login failed!!!" "); }        } Catch(SQLException e) {//TODO auto-generated Catch blockE.printstacktrace (); } Catch(ClassNotFoundException e) {//TODO auto-generated Catch blockE.printstacktrace (); }              //Close resources in turn                Try {                    if(rs!=NULL) {rs.close (); } if(ps!=NULL) {ps.close (); }if(con!=NULL) {con.close (); }                }Catch(SQLException e) {//TODO auto-generated Catch blockE.printstacktrace (); }                    }    }     

MyEclipse Connecting to Oracle Database (must-see for beginners)