What makes test data management particularly challenging when validating transformed COBOL-to-Java modules?
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Short Explanation and Infographic
Think of it like working hands-on with IBM mainframe systems — the answer here is 'Java test frameworks do not support reading EBCDIC-encoded test data files natively'. COBOL test data is typically stored in VSAM datasets or fixed-length flat files with EBCDIC encoding, which must be extracted, converted, or mocked before it can be fed to Java JUnit test frameworks. On real mainframe exams, this concept comes up repeatedly so make sure you have it locked in.
Full explanation below image
Full Explanation
COBOL test data is typically stored in VSAM datasets or fixed-length flat files with EBCDIC encoding, which must be extracted, converted, or mocked before it can be fed to Java JUnit test frameworks.