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Deprecated */ /* I have temporarily removed this method because 32 it has been deprecated for some time, and I want to determine whether any other packages are still using it! - J. Kirk on 9 Dec 1997 public void thisOldFunction() { // There has got to be a better way! } */ 37. Use one-line comments to explain implementation details. Use one or more one-line comments to document: • • • • • • The purpose of specific variables or expressions. Implementation-level design decisions. The source material for complex algorithms.

57 In the following example, the code on the top is more difficult to modify than the code on the bottom. This is because you cannot add another statement without changing the existing code structure. Because the code on the bottom already uses block statements, modifications are easier to make: for (int i = n; i >= 0; i--) for (int j = n; j >= 0; j--) f(i,j); // g(i,j) Cannot add here! for (int i = n;i >= 0;i--) { for (int j = n;j >= 0;j--) { f(i,j); g(i,j); // Can add here! } } If a control statement has a single, trivial statement as its body, you may put the entire statement on a single line, but only if it improves readability.

A verb is unnecessary because it simply states the subject “is,” “exists as,” or ‘‘represents” some object. The following example illustrates a description that contains an unnecessary subject and verb23: /** * A thread group represents a set of threads. * ... } Drop the subject and verb to obtain the correct form of summary description: 41 /** * A set of threads. * ... } 51. Use “this” rather than “the” when referring to instances of the current class. When describing the purpose or behavior of a method, use ‘‘this” instead of “the” to refer to an object that is an instance of the class defining the method: /** * Returns a String representing the * value of the Flag object.

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