import java.sql.*;
public class ConnectDB {
private Connection connection;
private String jdbcDriverClassName="com.microsoft.jdbc.sqlserver.SQLServerDriver";
private String jdbcURL="jdbc:microsoft:sqlserver://127.0.0.1:1433/Bank";
private String User="sa";
private String Password="";
public ConnectDB(){
try{
Class.forName(jdbcDriverClassName);
connection =DriverManager.getConnection(jdbcURL,User,Password);
}
catch(SQLException e){
e.printStackTrace();
}
}
public Connection getConnection(){
return connection;
}
}
编译显示如下错误:E:\JAVA\JAVAPRO\BankOperation\myprojects\bankoperation\ConnectDB.java:16: unreported exception java.lang.ClassNotFoundException; must be caught or declared to be thrown
Class.forName(jdbcDriverClassName);
public class ConnectDB {
private Connection connection;
private String jdbcDriverClassName="com.microsoft.jdbc.sqlserver.SQLServerDriver";
private String jdbcURL="jdbc:microsoft:sqlserver://127.0.0.1:1433/Bank";
private String User="sa";
private String Password="";
public ConnectDB(){
try{
Class.forName(jdbcDriverClassName);
connection =DriverManager.getConnection(jdbcURL,User,Password);
}
catch(SQLException e){
e.printStackTrace();
}
}
public Connection getConnection(){
return connection;
}
}
编译显示如下错误:E:\JAVA\JAVAPRO\BankOperation\myprojects\bankoperation\ConnectDB.java:16: unreported exception java.lang.ClassNotFoundException; must be caught or declared to be thrown
Class.forName(jdbcDriverClassName);
Class.forName(jdbcDriverClassName);
connection =DriverManager.getConnection(jdbcURL,User,Password);
}
catch(SQLException e){
e.printStackTrace();
}
catch(ClassNotFoundExceptionException e){
e.printStackTrace();
}
Class.forName(jdbcDriverClassName);
connection =DriverManager.getConnection(jdbcURL,User,Password);
}
catch(SQLException e){
e.printStackTrace();
}
catch(ClassNotFoundExceptionException e){
e.printStackTrace();
}