将大写字符串更改为小写，但仅将第一个字符保留为大写[duplicate]

This question already has an answer here:

这个问题在这里已有答案:

• String conversion to Title Case 15 answers

字符串转换为Title Case 15答案

• How to capitalize the first character of each word in a string 42 answers

如何将字符串中每个单词的第一个字符大写42个答案

I have multiple strings in upper case:

我有大写的多个字符串:

JAMES SMITH, NAVIN HEMANT SIGNH, LALA UTRIZER

詹姆斯史密斯,NAVIN HEMANT SIGNH,LALA UTRIZER

How can I transform these strings to:

如何将这些字符串转换为:

James Smith, Navin Hemant Signh, Lala Utrizer in java?

詹姆斯史密斯,Navin Hemant Signh,Lala Utrizer在java?

Please help.

2 个解决方案

#1

Try something like this:

尝试这样的事情:

String values = "JAMES SMITH, NAVIN HEMANT SIGNH, LALA UTRIZER";


if (values != null && !values.isEmpty()) {
    final StringBuilder fixedCaseBuilder = new StringBuilder(values.length()+1);

    for (final String word : values.split(" ")) {
        if (!word.isEmpty()) {
            fixedCaseBuilder.append(Character.toUpperCase(word.charAt(0)));
            fixedCaseBuilder.append(word.substring(1, word.length()).toLowerCase());
        }
        fixedCaseBuilder.append(' ');
    }

    fixedCaseBuilder.setLength(fixedCaseBuilder.length()-1);
    final String result = fixedCaseBuilder.toString();
}

#2

If you can choose what libraries to use, I would advise WordUtils from Apache Commons Utils. It has a method capitalizeFully(String s), which takes a String and capitalize the first letter of every word.

如果您可以选择使用哪些库,我建议使用Apache Commons Utils中的WordUtils。它有一个方法capitalizeFully(String s),它接受一个String并将每个单词的第一个字母大写。