Generate PDF Report using JASPER Report API in JAVA

Hello friends! Today I will show you how to generate a PDF report using JASPER Report API. I am going to use iReport tool here to generate the xml file (.jrxml). This xml file is used by JASPER API to generate the PDF report. This tool provides a graphical interface which makes work simple. The …

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Implementing WebService (RESTFul) in JAVA using Jersey JARs

In this tutorial I will show you how to implement Restful web service in java using jersey jars. But before that let us discuss little bit about web service. What is a web service? Web Services are nothing but the client side applications which provide a standardise way of integrating web based application using open …

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Implementing CAPTCHA in JAVA using JCaptcha

In this post we will see how to implement Captcha in a Java based web application. JCaptcha is a third-party open source framework. It stands for ‘Java completely automated public test to tell computers and humans apart’. Here, we have used a simple java servlet to generate the captcha image with an input field. Upon …

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How to download File without using any third party API in JAVA

In previous posts we have seen how to upload a file into server in JAVA. In this post I’ll explain how to download file from server. There are various third party APIs available to perform this operations. But here I haven’t used any of them but the JAVA’s own API. Project Structure: Files: 1)web.xml This …

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File upload using Servlet 3.0 API in JAVA

In this post I will explain the file uploading procedure using JAVA’s own Servlet API. Before java 1.7 there was no support for file uploading, hence we were using various 3rd part APIs(like Apache Commons, Orilley, etc.). Required Resources: Servlet 3.0 API and a web/application server supporting JAVA EE 7 and above. Here I am …

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File Upload in JAVA Using Apache Commons API

In this post we are going to learn how to upload files to the server. There are several APIs available to perform this operation in JAVA. Here I have given an example of file upload application using Apache’s commons libraries. Servlet 3.0 provides its own API for file uploading, but we will see all the …

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How to send email in JAVA using JAVA Mail API ?

In this post I am going to show how to send emails using java. Here I have taken a standalone application to show how to run, but the same code can be used in any java web application to send emails. For sending emails we need JAVA MAIL API. This API provides a framework independent …

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Hibernate Framework Tutorial in JAVA using Annotation

In my last tutorial you have seen how to configure and use Hibernate Framework in JAVA using configuration file. Here I have explained how to configure and use Hibernate Framework using annotation. Entity mapping file (entity_name.hbm.xml) is no more required if you are using annotations. All the mapping details are given in the entity class …

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How to Use Hibernate Framework in JAVA

In this tutorial we are going to learn about how to configure and use Hibernate Framework in JAVA applications. What is Hibernate? Hibernate is a lightweight ORM (Object Relational Mapping) tool. Hibernate internally uses JDBC to perform all the database operations. It has various advantages, which are listed below. It is light weight. It removes …

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Reading Excel file using JAVA and Apache POI API

Reading Excel file using JAVA and Apache POI API Hello friends! In my previous post we have seen how to export data to an excel file using Apache POI API in JAVA. Here, we will learn how to read data present in an excel sheet. After reading the data that can be persisted to database. …

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