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Objects and Data Structures - The Law of Demeter #30

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jnguyen095 opened this issue Jul 24, 2017 · 0 comments

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jnguyen095 commented Jul 24, 2017

The method should not invoke methods on objects that are returned by any of the allowed functions. In other words, talk to friends, not to strangers

final String outputDir = ctxt.getOptions().getScratchDir().getAbsolutePath();

It is usually best to split them up as follows:

Options opts = ctxt.getOptions();
File scratchDir = opts.getScratchDir();
final String outputDir = scratchDir.getAbsolutePath();

jnguyen095 added the Chapter 6 label

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