How to delete a workspace in Eclipse

ByVijay Katta January 6, 2012

There are a few procedures are there to delete workspace from eclipse,

even after deleting the workspace manually from folder still it shows the workspace listing in the eclipse .

after deleting the workspace folder from the directory we have to remove the listing from the eclipse ! it’s simple .. please follow the below sequence ,

Eclipse –> Windows –> Preferences –>General –>Startup and Shutdown–>Workapsce

select and remove the workspaces from the list .

to effect the changes restart your eclipse .

Apache POI | API | Basics | File reading | J2se | programs

Reading data from the .Doc file by using Apache POI api
ByVijay Katta January 2, 2010

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…

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Basics | J2se | Java

Escape Characters in Java
ByVijay Katta January 2, 2010

n New line t Tab b Backspace r Carriage return f Formfeed \ Backslash ‘ Single quotation mark " Double quotation mark d Octal xd Hexadecimal ud Unicode character

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Basics | J2se | Java | programs | System program's

Converting system date to required format
ByVijay Katta January 2, 2010

package automatedsms; // my package name /** * * @author katta vijay */ import java.util.Calendar; import java.text.SimpleDateFormat; public class DateUtils { public static String now(String dateFormat) { Calendar cal = Calendar.getInstance(); SimpleDateFormat sdf = new SimpleDateFormat(dateFormat); return sdf.format(cal.getTime()); } public static void main(String arg[]) { // different date formats System.out.println(DateUtils.now(“dd MMMMM yyyy”)); // calling now…

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Basics | Collection Framework

Retrieving elements from collections
ByVijay Katta February 4, 2010

Following four ways are used to retrieve elements from collection object : Using for-each loop. Using Iterator Interface. Using ListIterator interface. Using Enumeration Interface. For-each loop : for-each loop is like for loop which repeatedly executes a group of statements,for each element of collection the format is for(variable:collection object) // for( String values: os) {…

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API | Basics | Comport API | Serial port communication

Installing comport API in windows OS
ByVijay Katta January 2, 2010

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/

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Basics | DataBase | JDBC API

Database connection using propeties
ByVijay Katta January 19, 2010

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);…

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