eclipse/che 使用

package org.eclipse.che.examples;


import java.sql.Connection;
import java.sql.DriverManager;
import java.util.Properties;

public class HelloWorld {
    
    private Connection conn = null;
    public void MySQLDatabaseConnection() throws Exception{
        try {
        
            String driverName = "org.gjt.mm.mysql.Driver";   //获取属性文件中的内容
            String url = "jdbc:mysql://172.17.0.6:3306/test?useUnicode=true&characterEncoding=utf-8";  //这里请看下街
            String uname = "root";  //不变
            String upwd = "password";  //不变
            Class.forName(driverName);
            this.conn = DriverManager.getConnection(url,uname,upwd);
        }catch (Exception e){
            throw e;
        }
    }

    public Connection getConnection() {
        return this.conn;
    }

    public void close() throws Exception{
        if(this.conn!=null){
            try {
                this.conn.close();
            }catch (Exception e){
                throw e;
            }
        }
    }
    
    public static void main(String... argvs) throws Exception{
        HelloWorld hello = new HelloWorld();
        hello.MySQLDatabaseConnection();
        hello.getConnection();
        String a = "Che";
        System.out.println("Hello World " + a + "!");
    }
}

mysql -u root -p //提示输入密码，密码为password
create database test; //新建数据库
通过show databases 查看刚刚创建的数据库