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我读到使用 String.replaceAll 非常慢。这就是我以前的做法:

String settence = "Java /*with*/ lambda /*expressions*/";
String replaceSettence = settence.replaceAll(Pattern.quote("/*with*/"), "is").replaceAll(Pattern.quote("/*expressions*/"), "future");

System.out.println(replaceSettence);

如何在一行中使用 StringUtils 执行此操作?

编辑:

感谢您的快速回答。

我使用 Steph 提供的代码。我的结论是 replaceAll 必须比 StringUtils 更快:

  Long startTime = System.currentTimeMillis();
        String settence = "Java /*with*/ lambda /*expressions*/";
        String replaceSettence = settence.replaceAll(Pattern.quote("/*with*/"), "is").replaceAll(Pattern.quote("/*expressions*/"), "future");

        System.out.println(replaceSettence + " " + (System.currentTimeMillis() - startTime));

        String settenceStringUtils = "Java /*with*/ lambda /*expressions*/";
        String replaceStringUtils = StringUtils.replaceEach(settence, new String[]{"/*with*/", "/*expressions*/"}, new String[]{"is", "future"});
        System.out.println(replaceStringUtils + "StringUtils-> " + (System.currentTimeMillis() - startTime));
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1 回答 1

3

像这样:

String settence = "Java /*with*/ lambda /*expressions*/";
String replaceSettence = StringUtils.replaceEach(settence, new String[]{"/*with*/", "/*expressions*/"}, new String[]{"is","future"});
System.out.println(replaceSettence);
于 2015-04-27T14:44:12.370 回答