{"id":135250,"date":"2024-05-07T18:31:22","date_gmt":"2024-05-07T13:01:22","guid":{"rendered":"https:\/\/data-flair.training\/blogs\/?p=135250"},"modified":"2024-05-07T18:31:22","modified_gmt":"2024-05-07T13:01:22","slug":"orm-architecture-in-java-jdbc","status":"publish","type":"post","link":"https:\/\/data-flair.training\/blogs\/orm-architecture-in-java-jdbc\/","title":{"rendered":"ORM Architecture in Java JDBC"},"content":{"rendered":"<h3>Program 1<\/h3>\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\">package myconnection;\r\nimport java.sql.*;\r\npublic class MyCon \r\n{\r\n    static Connection con=null;\r\n    \/\/Driver Load\r\n    static\r\n    {\r\n       try\r\n       {\r\n          Class.forName(\"com.mysql.cj.jdbc.Driver\");\r\n           System.out.println(\"Driver load\");\r\n       }\r\n       catch(ClassNotFoundException e)\r\n       {\r\n           System.out.println(e);\r\n       }\r\n    }\r\n    \/\/Connection done\r\n   \r\n    public static Connection getConnection()\r\n    {\r\n       try\r\n       {\r\n        con=DriverManager.getConnection(\"jdbc:mysql:\/dataflair\", \"root\",\"root@data\");\r\n         System.out.println(\"Database connect \");\r\n       }\r\n       catch(SQLException e)\r\n       {\r\n           System.out.println(e);\r\n       }\r\n       return con;\r\n    }\r\n}<\/pre>\n<h3>Program 3<\/h3>\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\">\/\/ Insert data in database\r\n\r\npackage mydatabase;\r\nimport java.sql.*;\r\nimport java.util.*;\r\npublic class TestjdbcMain \r\n{\r\n    public static void main(String[] args) \r\n    {\r\n        Connection con=null;\r\n        PreparedStatement ps=null;\r\n     \r\n      \/\/ Query Execution\r\n        try \r\n        {\r\n           String sql;\r\n           int rno,mn;\r\n           String name;\r\n           Scanner scan=new Scanner(System.in);\r\n           System.out.println(\"Enter Roll No\");\r\n           rno=scan.nextInt();\r\n           System.out.println(\"Enter Name\"); \r\n           name=scan.next();\r\n           System.out.println(\"Enter Mobile No\");\r\n           mn=scan.nextInt();\r\n           sql=\"insert into student values(?,?,?)\";\r\n           con=myconnection.MyCon.getConnection();\r\n           ps=con.prepareStatement(sql);\r\n           int n=0;\r\n           ps.setInt(1, rno);\r\n           ps.setString(2, name);\r\n           ps.setInt(3, mn);\r\n           n=ps.executeUpdate();\r\n           if(n==1)\r\n               System.out.println(\"Record inserted: \" + n);   \r\n        } \r\n        catch (SQLException e) \r\n        {\r\n            System.out.println(e);\r\n        }\r\n    }\r\n    \r\n}<\/pre>\n<h3>Program 4<\/h3>\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\">\/\/ Delete by Primary key data in database\r\npackage mydatabase;\r\nimport java.sql.*;\r\nimport java.util.*;\r\npublic class TestDelete \r\n{\r\n    public static void main(String[] args) \r\n    {\r\n        \/\/Driver load\r\n        Connection con=null;\r\n        PreparedStatement ps=null;\r\n        ResultSet rs=null;\r\n      \r\n       \/\/ Database Connection code\r\n        try \r\n        {\r\n            \r\n            \/\/ Query execute\r\n            Scanner scan=new Scanner(System.in);\r\n            int rno;\r\n            System.out.println(\"Enter Roll no for delete: \");\r\n            rno=scan.nextInt();\r\n            String sql;\r\n            sql=\"select * from student where studid=?\";\r\n             con=myconnection.MyCon.getConnection();\r\n            ps=con.prepareStatement(sql);\r\n            \r\n            ps.setInt(1, rno);\r\n            rs=ps.executeQuery();\r\n            if(rs.next())\r\n            {\r\n            System.out.println(\"Roll No     Name    MobileNo  \");\r\n            System.out.println(\"-------------------------------\");\r\n            System.out.print(\"  \"+rs.getInt(1));   \r\n            System.out.print(\"  \"+rs.getString(2));   \r\n            System.out.println(\"  \"+rs.getInt(3));   \r\n            System.out.println(\"-------------------------------\");\r\n            String s;\r\n            System.out.println(\"Are your sure want to delete....(yes\/no)\"); \r\n            s=scan.next();\r\n            if(s.toUpperCase().equals(\"YES\"))\r\n            {\r\n               sql=\"delete from student where studid=?\";\r\n               ps=con.prepareStatement(sql);\r\n               ps.setInt(1, rno);\r\n               if(ps.executeUpdate()&gt;0)\r\n               System.out.println(\"Record Deleted.............\");    \r\n            }   \r\n          }\r\n            else\r\n             System.out.println(\"Record not found.............\");   \r\n            \r\n         \/\/ Connection close   \r\n          con.close();\r\n        } \r\n        catch (SQLException e) \r\n        {\r\n            System.out.println(e);\r\n        }\r\n          \r\n    }\r\n    \r\n}<\/pre>\n<h3>Program 5<\/h3>\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\">package mydatabase;\r\nimport java.sql.*;\r\npublic class TestSearchAll \r\n{\r\n    public static void main(String[] args) \r\n    {\r\n        Connection con=null;\r\n        ResultSet rs=null;\r\n        PreparedStatement ps=null;\r\n        String sql;\r\n        \r\n        \r\n        try \r\n        {\r\n          con=myconnection.MyCon.getConnection();\r\n           \/\/Query execution.....\r\n           sql=\"select * from student\";\r\n           ps=con.prepareStatement(sql);\r\n           rs=ps.executeQuery();\r\n            System.out.println(\"Roll No     Name    MobileNo  \");\r\n            System.out.println(\"-------------------------------\");\r\n            int flag=0;\r\n           while(rs.next())\r\n           {\r\n               flag=1;\r\n               System.out.print(\"  \"+rs.getInt(1));   \r\n               System.out.print(\"  \"+rs.getString(2));   \r\n               System.out.println(\"  \"+rs.getInt(3));   \r\n           }\r\n           if(flag==0)\r\n                System.out.println(\"**********Record not found***********\");\r\n           System.out.println(\"-------------------------------\"); \r\n           \r\n           \/\/ Connection close\r\n           con.close();\r\n        } \r\n        catch (SQLException e) \r\n        {\r\n            System.out.println(e);\r\n        }\r\n        \r\n    }\r\n    \r\n}<\/pre>\n<h3>Program 6<\/h3>\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\">\/\/ Update Record\r\npackage mydatabase;\r\nimport java.sql.*;\r\nimport java.util.*;\r\npublic class TestUpdate \r\n{\r\n    public static void main(String[] args) \r\n    {\r\n        Connection con=null;\r\n        PreparedStatement ps=null;\r\n        ResultSet rs=null;\r\n        String sql;\r\n        \r\n        \/\/ Driver Load Code\r\n         \r\n        \r\n         \/\/ Database Connection Code\r\n         try\r\n         {\r\n         con=myconnection.MyCon.getConnection();\r\n          \/\/ Query Execution\r\n          Scanner scan=new Scanner(System.in);\r\n           System.out.println(\"Enter Roll No for Update: \");   \r\n           int rno,mn;\r\n           String name;\r\n           rno=scan.nextInt();\r\n           sql=\"select * from student where studid=?\";\r\n           ps=con.prepareStatement(sql);\r\n           ps.setInt(1, rno);\r\n           rs=ps.executeQuery();\r\n           System.out.println(\"Roll No   Name   Mobile No  \");\r\n           System.out.println(\"-----------------------------------\");\r\n             if(rs.next())\r\n             {\r\n                 System.out.print(\"  \"+ rs.getInt(1));\r\n                 System.out.print(\"  \"+ rs.getString(2));\r\n                 System.out.println(\"  \"+ rs.getInt(3));\r\n                 \r\n                 System.out.println(\"Enter Name For Updation: \");    \r\n                 name=scan.next();\r\n                 System.out.println(\"Enter Mobile No For Updation: \");    \r\n                 mn=scan.nextInt();\r\n                 sql=\"update student set studname=?,mobile=? where studid=?\";\r\n                 ps=con.prepareStatement(sql);\r\n                 ps.setString(1, name);\r\n                 ps.setInt(2, mn);\r\n                 ps.setInt(3, rno);\r\n                 if(ps.executeUpdate()&gt;0)\r\n                     System.out.println(\"Record Updated.........\");\r\n             }    \r\n             else\r\n                 System.out.println(\"*******Record Not Found**********\");  \r\n             System.out.println(\"-----------------------------------\");\r\n             \/\/ Connection close\r\n             con.close();\r\n         } \r\n         catch (SQLException e) \r\n        {\r\n            System.out.println(e);\r\n        }\r\n    \r\n    }\r\n    \r\n}<\/pre>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Program 1 package myconnection; import java.sql.*; public class MyCon { static Connection con=null; \/\/Driver Load static { try { Class.forName(&#8220;com.mysql.cj.jdbc.Driver&#8221;); System.out.println(&#8220;Driver load&#8221;); } catch(ClassNotFoundException e) { System.out.println(e); } } \/\/Connection done public static Connection&#46;&#46;&#46;<\/p>\n","protected":false},"author":86671,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[31448],"tags":[31873,31871,31872,31875,31774,31877],"class_list":["post-135250","post","type-post","status-publish","format-standard","hentry","category-advanced-java-tutorials","tag-advanced-java","tag-advanced-java-practical","tag-advanced-java-program","tag-java-database-connectivity","tag-orm-architecture","tag-orm-architecture-using-java-jdbc"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.0 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>ORM Architecture in Java JDBC - DataFlair<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/data-flair.training\/blogs\/orm-architecture-in-java-jdbc\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"ORM Architecture in Java JDBC - DataFlair\" \/>\n<meta property=\"og:description\" content=\"Program 1 package myconnection; 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