this is the parent category for all API’s
Date and Time API new feature in Java8 , mainly these objects are immutable and thread safe , these API contains four packages , java.time.*; java.time.chrono.*; java.time.format.*; java.time.temporal.*; java.time.zone.*; now we will see how to make use of these libraries in our programming usage . here i’m taking a sample class that will print…
What is Apache POI? Apache POI’s cross-platform Open Source Java APIs allow users to read and write various file formats from the Microsoft Office suite of applications, including Word, PowerPoint, Excel, Outlook, Visio, and Publisher. Apache POI is deployed in many highly-visible environments including CERN, Deutsche Bank, Freddie Mac, IBM, J.P. Morgan, Lawrence…
In this post I’m going to use the properties(java.util.properties) class in database conenction, package Oracle.connection; import java.sql.*; import java.util.Properties; /** * * @author kattavijay */ public class DBConnect_Properties { public static void main(String a[])throws Exception { String url="jdbc:oracle:thin:@localhost:1521"; String username="scott"; String passwd="tiger"; Properties prop=new Properties(); prop.put("user",username); prop.put("password",passwd);…
There are some types to connect with Database , here in this example I’m going to work with Oracle Database. I’m using type-4 driver to connect to the data base. there are some steps to follow : Step 1: know your database url , username ,password . and make sure that ojdbc14.jar file should be…
this program simply explains how to read data from the MS wordfile(.DOC) line by line using Apache POI, what is Apache POI and what is the need i already explain in previous post, you can find that post here for executing this program we need to download Apache POI api and make jar files in…
…it is one of the great tool from the Apache, 1st of all i want to write about what is POI?,why we need POI?. what is POI? "Poor Obfuscation Implementation" why we need POI? reading and writing files in Microsoft Office formats, such as Word, PowerPoint and Excel using Java. when i was trying to…
before going to use this post My strong advice to see this post first. /* by using this program iam trying to insert data to the Excel sheet */ /* * To change this template, choose Tools | Templates * and open the template in the editor. */ package excelsheetreading; /** * *…
using Java we can read the data from Excel sheets by creating type1 driver , but here we are taking help of JExcelapi we can able to read data directly from the Excel sheets. steps to be follow: step 1: download JExcel api from here step2: after downloading extract the zip file. make jxl.jar available…
comm.jar should be placed in: %JAVA_HOME%/lib %JAVA_HOME%/jre/lib/ext win32com.dll should be placed in: %JAVA_HOME%/bin %JAVA_HOME%/jre/bin %windir%System32 javax.comm.properties should be placed in: %JAVA_HOME%/lib %JAVA_HOME%/jre/lib practice programs: serialport communication using Java http://javamix.wordpress.com/2009/01/21/sending-sms-using-serialport-communication-api/
