我想计算两个ArrayLists上匹配值的百分比。
比方说,如果我有两个arraylists如下,名为actual
和required
。
ArrayList<String> actual = new ArrayList<String>();
ArrayList<String> required = new ArrayList<String>();
actual
arraylist包含Programming, Appium, Jenkins, Selenium, Software Testing
的值required
arraylist包含Appium, Jenkins, Selenium, protractor,API automation
的值现在我想在这两个列表中找到值匹配的百分比。任何建议/解决方案表示赞赏
谢谢
试试这个:
List<String> actual = new ArrayList<>();
List<String> required = new ArrayList<>();
List<String> common = new ArrayList<>(actual);
common.retainAll(required);
System.out.println(" 100.0 * common / actual = " + (actual.size() == 0 ? 0 : 100.0 * common.size() / actual.size()));
System.out.println(" 100.0 * common / required = " + (required.size() == 0 ? 0 : 100.0 * common.size() / required.size()));