Those z/OS programmers that have accustomed to running their COBOL or assembler applications under the z/OS batch environment should feel right at home running Java under this same environment. For those of us who are new to z/OS, this process can be a bit more challenging.
In order to run Java applications under z/OS batch, we need a launcher that can launch a Java application from batch, and this is where the JZOS batch launcher comes into play. We will be using the JZOS batch launcher to launch our z/OS Java application.
Setting up the JZOS batch launcher
The JZOS batch launcher is included as part of the IBM SDK Java Technology Edition for z/OS. But before we can use it, we need to move the JZOS batch launcher from the Java install directory in the USS environment into a z/OS data set, specifically, a PDSE (partitioned data set extended, aka LIBRARY) data set.
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