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Java is a platform-independent, object-oriented programming language and run-time environment, designed to have as few implementation dependencies ...

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Database Administrator / Software Engineer

Over 20 years of experience as an Application Architect/Developer, a Database Administrator, and a PM focusing on performance.

Troubleshooting Solution

How to compare 2 large sets of id numbers in Java?

31
I have 2 files containing around 1 million id numbers each (string data type). I want to work …
Article

Closures in Java 7 - does a new era start for the language?

6
Java had always been an easily readable and understandable language.  Some relatively recent changes…
Video
Post

Is Java a terrible first programming language to learn? Do …

6
Is Java a terrible first programming language to learn? Do you agree with Stanford switching their …
Post

Apple is no longer just for the tech-savvy millennial and …

1
Apple is no longer just for the tech-savvy millennial and professional crowd. Check out today's …
Post

Recomended read for all.  Less about B.S., more about …

4
Recomended read for all.  Less about B.S., more about setting expectations
Troubleshooting Solution

Best container for a pair of values

31
I want to store pairs of values (two ints actually) in something that can be searched for any of …
Troubleshooting Solution

Exception Replacing while replacing characters suing String Builder in Java Map

14
Hi,
I am trying to run a main program for the java class which replaces bunch of characters and adds …
Troubleshooting Solution

how to set cellstyle with specified date format using poi jar

14
Hi Experts,
I am trying to set date with specified format.when i open excel clicking on the generated …
Troubleshooting Solution

groupSum challege

bygudii9
153
Hi,

I am working on below challenge

http://codingbat.com/prob/p145416

Recursion-2 > 
Troubleshooting Solution

how to display decimal value with 2 digits after decimal point

11
Hi Experts,

I have a decimal value.
I want to display value with 2 digits after decimal point.

Example: …
Troubleshooting Solution

How to use alternation when using regular expressions in Java

34
So here's my dilemma…

I'm using Java to write a program in which I'd like to use regular expressions …
Article

Use Lazy Initialization in singleton pattern

bymnrz
6
An old method to applying the Singleton pattern in your Java code is to check if a static instance, …
Article

File permissions with Java

5
Java has always been considered a multi-platform language - you write your code once and then you …
Post
Troubleshooting Solution

xyzThere java challenge

bygudii9
153
Hi,
I am working on below challenge
http://codingbat.com/prob/p136594
I tried my code as below
Troubleshooting Solution

how to run java program from shell script with out using chron job

8
Hi Experts,

I have a java file it will do some task.
i want to run this java program every time …
Troubleshooting Solution

Writing a Huge List of Custom Objects using ObjectOutputStream in Java

11
I'm writing a huge list of Custom Objects using  ObjectOutputStream  in Java
and the code snippet is as
Troubleshooting Solution

Thread Synchronization with equal sharing

24
In the code below, four threads are supposed to take turns to buy the ticket. However, it seems that …
Troubleshooting Solution

Issue with International characters in Webpage Tomcat/MySQL

17
I have a webpage with a input field in it and a city with international characters.
<input  type =" text

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