Batch Modernization on z/OS

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Introduction to Java on z/OS

Before we discuss the various scenarios with Java in subsequent chapters, we first provide an overview of Java on z/OS in this chapter. This chapter includes the following topics:

•The basics of Java

•Special Java APIs for batch processing on z/OS

•Data access with Java on z/OS

•Encoding issues

•Java Interoperability with COBOL and PL/I

5.1 The basics of Java

As traditional languages such as COBOL, PL/I, and Assembler sometimes lack functionality to serve certain new requirements (see Part 2, “Serving new functional ...

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