Kode Log

Change is now. Learn, unlearn & relearn.

Month

May 2013

PS File Record Format :: Fixed block or Variable block?

Most commonly used file formats for a PS file are Fixed Block (FB) & Variable Block (VB). At times when we are uncertain of the file format, we can easily deduce that using LISTDS command with IKJEFT01 utility in JCL…. Continue Reading →

IGYWCLG :: COBOL File handling in JCL SYSIN Card.

In previous post we have seen how to execute a COBOL program (Add 2 numbers) in JCL Sysin Card. This post is concentrating more on how to accomplish a complex task for e.g. File handling using IGYWCLG. All we got… Continue Reading →

Run a COBOL program through JCL SYSIN Card :: IGYWCLG utility.

Many a times, we require to write a COBOL program for testing purpose. For that we write the COBOL program then we write a Compile JCL and then Run JCL. However this can be done in a simple JCL Step… Continue Reading →

Serialization and Constructor Invocations

Serialization and Constructor Invocations I heard some very strange things about serialization lately and decided to run some test to verify them. I first created a sample class that implements Serializable. The line 4 here, ensures that ‘SuperConstructor’ gets printed… Continue Reading →

Google Keynote 2013 Android

Google Keynote 2013 Android Three hours of  technical show of power and innovation. And I was literally awestruck.  And why not, Google has earned the bragging rights doing some amazing work. Google once again targeted on providing the flexibility and power… Continue Reading →

JavaEE CDI in one page

I’ve been reading and checking out the (javaee cdi) CDI- Context and Dependency Injection in JavaEE lately. The more I read, more I fall in love with it. I’ll try and make the article short and less painful for you. And… Continue Reading →

Change in Java version numbering scheme

Heard of the change in Java version numbering scheme? Java has recently announced the change in the version numbering scheme. Here are a few highlights related to this news. What was the version numbering scheme before the change? Earlier the… Continue Reading →

Intersection of Linked Lists

Continuing with the skitch experiment, here’s another attempt to explain spotting the intersection of Linked Lists with some cool images. Allow me to quickly introduce you to two good friends, Linked List 1 and Linked List 2. The linked list… Continue Reading →

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