这是一个利用StringBuilder类来保存和反转找到的每个单词的解决方案。

Scanner robo = new Scanner (System.in);
System.out.println("Enter a word:");
String word = robo.nextLine();
robo.close();
String upperCase = word.toUpperCase(); //used to find uppercase letters

StringBuilder builder = new StringBuilder();
for (int i = 0; i < word.length(); i++) {
    char nextChar = word.charAt(i);
    builder.append(nextChar);
    if (nextChar == upperCase.charAt(i)) {
        String subWord = builder.reverse().toString();
        System.out.print(subWord); //It's not clear what to do with the found words
        builder = new StringBuilder();
    }
}
System.out.println();

示例

  

输入单词：
  makEmorEpiE
  EkamEromEip

测试是否适合您

three.js R110

public class Alternative {
public static void main(String[] args) {

    Scanner robo = new Scanner(System.in);

    System.out.println("Enter  a word ");
    String word = robo.nextLine();
    char[] array = word.toCharArray();
    int count = -1;
    for (int i = 0; i < array.length; i++) {

        if (Character.isUpperCase(array[i])) { //find the upper case letters in the word
            for (int j = i; j > count; j--) //loop through the letters until the last count variable value is encountered
                System.out.print(array[j]); //print the reversed values
            count = i; //assign the last encountered uppercase letter's index value to count variable
        }

    }
}
}

这是我使用Regex模式的解决方案

    String[] in = "wElovEcakE".replaceAll("([A-z]+?[A-Z])","$1,").replaceAll(",$","").split(",");
    String out = "";
    for(String current: in){
        StringBuilder temp = new StringBuilder(); 
        temp.append(current);
        out+=temp.reverse();
    }
    System.out.println(out);

结果：

EwEvolEkac

您可以尝试以下解决方案：

String textInvert = "wElovEcakE";
String revertText = textInvert
      .chars().mapToObj(c -> (char) c)
      .reduce(new LinkedList<>(Arrays.asList(new StringBuilder())),(a,v) -> {
          a.getLast().append(v);
          if (Character.isUpperCase(v)) {
              a.add(new StringBuilder());
          }
          return a;
      },(a1,a2) -> a1)
      .stream()
      .map(s -> s.reverse())
      .reduce(StringBuilder::append)
      .map(StringBuilder::toString)
      .get();

System.out.println(revertText);