Java SE Guide,Java Tutorial,amit,amit manjhi,java, spring, sql,plsql,pl sql,webservices,oracle,java tutorial, interview questions,interview coding,java2080,java 20:80,manjhi,2080,amit manjhi 2080,amit manjhi 2080 blogger, amitin2019, manjhi blogger,java interview questions, java blog,amit manjhi software engineer,amit manjhi,
Sunday, December 8, 2019
Tuesday, October 8, 2019
Rough Notes for Maven
java 8 compiler
Tomcat Plugin
Servlet API
Driver (jdbc)
=========================================================
javax servlet dependency maven
---------------------------------------
https://mvnrepository.com/artifact/javax.servlet/servlet-api/3.0-alpha-1
maven tomcat plugin
--------------------------
http://tomcat.apache.org/maven-plugin-2.2/
java 8 plugin maven
------------------------
https://maven.apache.org/plugins/maven-compiler-plugin/examples/set-compiler-source-and-target.html
mysql8 dependency maven
-----------------------------------
https://mvnrepository.com/artifact/mysql/mysql-connector-java/8.0.11
Tomcat Plugin
Servlet API
Driver (jdbc)
=========================================================
javax servlet dependency maven
---------------------------------------
https://mvnrepository.com/artifact/javax.servlet/servlet-api/3.0-alpha-1
maven tomcat plugin
--------------------------
http://tomcat.apache.org/maven-plugin-2.2/
java 8 plugin maven
------------------------
https://maven.apache.org/plugins/maven-compiler-plugin/examples/set-compiler-source-and-target.html
mysql8 dependency maven
-----------------------------------
https://mvnrepository.com/artifact/mysql/mysql-connector-java/8.0.11
Sunday, October 6, 2019
Send Free SMS using Java code
package freesms;
import java.io.BufferedReader;
import java.io.InputStreamReader;
import java.io.OutputStreamWriter;
import java.net.HttpURLConnection;
import java.net.URL;
import java.net.URLConnection;
import java.net.URLEncoder;
public class SendSMS
{
public static void main(String[] args)
{
try {
// Construct data
String apiKey = "apikey=" + "2D5i+ah7Dtw-6Ggu4kukZUJrnHddMJLXjNvFGstF3A"; // only 10 credits left
String message = "&message=" + "This is your message";
String sender = "&sender=" + "TXTLCL"; //not to be changed
String numbers = "&numbers=" + "8744973456";
// Send data
HttpURLConnection conn = (HttpURLConnection) new URL("https://api.textlocal.in/send/?").openConnection();
String data = apiKey + numbers + message + sender;
conn.setDoOutput(true);
conn.setRequestMethod("POST");
conn.setRequestProperty("Content-Length", Integer.toString(data.length()));
conn.getOutputStream().write(data.getBytes("UTF-8"));
final BufferedReader rd = new BufferedReader(new InputStreamReader(conn.getInputStream()));
final StringBuffer stringBuffer = new StringBuffer();
String line;
while ((line = rd.readLine()) != null)
{
stringBuffer.append(line);
System.out.println(">>> "+stringBuffer);
}
rd.close();
//return stringBuffer.toString();
}
catch (Exception e)
{
System.out.println("Error SMS " + e);
//return "Error " + e;
}
}
}
==================================================
---------
NOTE
---------
Website : https://control.textlocal.in/settings/apikeys/
id: amitin2015@gmail.com
P/W: S****g***19
===================================================
import java.io.BufferedReader;
import java.io.InputStreamReader;
import java.io.OutputStreamWriter;
import java.net.HttpURLConnection;
import java.net.URL;
import java.net.URLConnection;
import java.net.URLEncoder;
public class SendSMS
{
public static void main(String[] args)
{
try {
// Construct data
String apiKey = "apikey=" + "2D5i+ah7Dtw-6Ggu4kukZUJrnHddMJLXjNvFGstF3A"; // only 10 credits left
String message = "&message=" + "This is your message";
String sender = "&sender=" + "TXTLCL"; //not to be changed
String numbers = "&numbers=" + "8744973456";
// Send data
HttpURLConnection conn = (HttpURLConnection) new URL("https://api.textlocal.in/send/?").openConnection();
String data = apiKey + numbers + message + sender;
conn.setDoOutput(true);
conn.setRequestMethod("POST");
conn.setRequestProperty("Content-Length", Integer.toString(data.length()));
conn.getOutputStream().write(data.getBytes("UTF-8"));
final BufferedReader rd = new BufferedReader(new InputStreamReader(conn.getInputStream()));
final StringBuffer stringBuffer = new StringBuffer();
String line;
while ((line = rd.readLine()) != null)
{
stringBuffer.append(line);
System.out.println(">>> "+stringBuffer);
}
rd.close();
//return stringBuffer.toString();
}
catch (Exception e)
{
System.out.println("Error SMS " + e);
//return "Error " + e;
}
}
}
==================================================
---------
NOTE
---------
Website : https://control.textlocal.in/settings/apikeys/
id: amitin2015@gmail.com
P/W: S****g***19
===================================================
Thursday, September 26, 2019
Sunday, September 22, 2019
Spring_Content_Core
*******************Welcome to SPRING CORE*********************
1. App_1
2. App_2
3. App_3
4. App_4
5. App_5
6. App_6
7. App_7 (Custom Scope)
8. App_8_Java_Config
9. App_8.1_BeanLifeCycleUsingConstructor
10. App_8.2_BeanLifeCycleUsingInstanceFactoryMethod
11. App_8.3_BeanLifeCycleUsingStaticFactoryMethod
12. App_9_Bean_Initialization_Distruction_using_custom_initialization_distruction
13. App_10
14. App_11
15. App_12_Autowiring_by_Name
16. App_13_Autowiring_By_Type
17. App_14_Autowiring_By_Constructor
18. App_15_Autowiring_By_Annotations
19. App_16_BankApp_By_Autowing
20. App_17_BankApp_AutoDiscovery
21. App_18_BankApp_AutoDiscovery_ServiceLayer_Impl
22. App_19_BankApp_AutoDiscovery_Service_2
23. App_20_Data_Validation
Saturday, September 21, 2019
Spring_MVC_1.1_Login (Using annotations)
-------LoginController
package com.amit.controllers;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.springframework.web.servlet.ModelAndView;
import org.springframework.web.servlet.mvc.Controller;
public class LoginController implements Controller
{
@Override
public ModelAndView handleRequest(HttpServletRequest req, HttpServletResponse res) throws Exception
{
String uname = req.getParameter("uname");
String upwd = req. getParameter("upwd");
ModelAndView mav = null;
if(uname.equals("amit") && upwd.equals("amit"))
{
mav = new ModelAndView("success");
}else {
mav = new ModelAndView("failure");
}
return mav;
}
}
==================================================================
---- LoginPageController
package com.amit.controllers;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.springframework.web.servlet.ModelAndView;
import org.springframework.web.servlet.mvc.Controller;
public class LoginPageController implements Controller
{
@Override
public ModelAndView handleRequest(HttpServletRequest req, HttpServletResponse res) throws Exception
{
return new ModelAndView("loginForm");
}
}
package com.amit.controllers;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.springframework.web.servlet.ModelAndView;
import org.springframework.web.servlet.mvc.Controller;
public class LoginController implements Controller
{
@Override
public ModelAndView handleRequest(HttpServletRequest req, HttpServletResponse res) throws Exception
{
String uname = req.getParameter("uname");
String upwd = req. getParameter("upwd");
ModelAndView mav = null;
if(uname.equals("amit") && upwd.equals("amit"))
{
mav = new ModelAndView("success");
}else {
mav = new ModelAndView("failure");
}
return mav;
}
}
==================================================================
---- LoginPageController
package com.amit.controllers;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.springframework.web.servlet.ModelAndView;
import org.springframework.web.servlet.mvc.Controller;
public class LoginPageController implements Controller
{
@Override
public ModelAndView handleRequest(HttpServletRequest req, HttpServletResponse res) throws Exception
{
return new ModelAndView("loginForm");
}
}
=====================================================================
-----ds-servlet.xml
<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xmlns:p="http://www.springframework.org/schema/p"
xmlns:context="http://www.springframework.org/schema/context"
xsi:schemaLocation="
http://www.springframework.org/schema/beans
http://www.springframework.org/schema/beans/spring-beans.xsd
http://www.springframework.org/schema/context
http://www.springframework.org/schema/context/spring-context.xsd">
<bean name="/loginPage" class="com.amit.controllers.LoginPageController"/>
<bean name="/login" class="com.amit.controllers.LoginController"/>
<bean name = "handlerMapping" class = "org.springframework.web.servlet.handler.BeanNameUrlHandlerMapping"/>
<bean name = "viewResolver" class = "org.springframework.web.servlet.view.InternalResourceViewResolver">
<property name="prefix" value="/WEB-INF/"/>
<property name="suffix" value = ".jsp"/>
</bean>
</beans>
===================================================================
------failure.jsp
<%@ page language="java" contentType="text/html; charset=ISO-8859-1"
pageEncoding="ISO-8859-1"%>
<!DOCTYPE html>
<html>
<head>
<meta charset="ISO-8859-1">
<title>Insert title here</title>
</head>
<body>
<h2>Amit Software Solutions</h2>
<h3>User Login Page</h3>
<br><br>
<h1>Login Failure</h1>
</body>
</html>
=====================================================================
-------loginform.jsp
<%@ page language="java" contentType="text/html; charset=ISO-8859-1"
pageEncoding="ISO-8859-1"%>
<!DOCTYPE html>
<html>
<head>
<meta charset="ISO-8859-1">
<title>Insert title here</title>
</head>
<body>
<center>
<h2>Amit Software Solutions</h2>
<h3>User Login Page</h3>
<form method="post" action="login">
<table>
<tr>
<td>User Name</td>
<td><input type="text" name ="uname"/></td>
</tr>
<tr>
<td>User Password</td>
<td><input type="password" name ="upwd"/></td>
</tr>
<tr>
<td><input type="submit" value="Login"/></td>
</tr>
</table>
</form>
</center>
</body>
</html>
========================================================================
---------success.jsp
<%@ page language="java" contentType="text/html; charset=ISO-8859-1"
pageEncoding="ISO-8859-1"%>
<!DOCTYPE html>
<html>
<head>
<meta charset="ISO-8859-1">
<title>Insert title here</title>
</head>
<body>
<h2>Amit Software Solutions</h2>
<h3>User Login Page</h3>
<br><br>
<h1>Login Success</h1>
</body>
</html>
========================================================================
-------- web.xml
<?xml version="1.0" encoding="UTF-8"?>
<web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://xmlns.jcp.org/xml/ns/javaee" xsi:schemaLocation="http://xmlns.jcp.org/xml/ns/javaee http://xmlns.jcp.org/xml/ns/javaee/web-app_4_0.xsd" id="WebApp_ID" version="4.0">
<display-name>mvc1.3_Login_xml</display-name>
<welcome-file-list>
<welcome-file>index.jsp</welcome-file>
</welcome-file-list>
<servlet>
<servlet-name>ds</servlet-name>
<servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
<load-on-startup>1</load-on-startup>
</servlet>
<servlet-mapping>
<servlet-name>ds</servlet-name>
<url-pattern>/</url-pattern>
</servlet-mapping>
</web-app>
=======================================================================
-------index.jsp
<%@ page language="java" contentType="text/html; charset=ISO-8859-1"
pageEncoding="ISO-8859-1"%>
<!DOCTYPE html>
<html>
<head>
<meta charset="ISO-8859-1">
<title>Insert title here</title>
</head>
<body>
<jsp:forward page="loginPage"/>
</body>
</html>
========================================================================
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