Intro Normal Function After Refactor
Intro Normal Function After Refactor
Normal Function After Refactor
根據上一篇
https://davidchenblog.com/posts/30996b81/#more
我們可以調整修正為
新增一個GuessStatisticsMessage class
將三個變數定義為private，如此一來三個變數提供清楚的上下文資訊
透過分割成更小函式，使演算法更加簡潔!
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| private void printGuessStatistics {
private String number;
private String verb;
private String pluralModifier;
public String make(char candidate, int count) {
createPluralDependentMessageParts(count);
return String.format("There %s %s %s%s", verb, number, candidate, pluralModifier);
}
private void createPluralDependentMessageParts(int count) {
if (count == 0) {
thereAreNoLetters();
} else if (count == 1) {
thereIsOneLetter();
} else {
thereAreManyLetters(count);
}
}
private void thereAreManyLetters(int count) {
number = Integer.toString(count);
verb = "are";
pluralModifier = "s";
}
private void thereIsOneLetter() {
number = "1";
verb = "is";
pluralModifier = "";
}
private void thereAreNoLetters() {
number = "no";
verb = "are";
pluralModifier = "s";
}
}
|