使用Java删除字符串中的所有元音 [英] Remove all vowels in a string with Java

问题描述

我正在为我的计算机科学课程做作业.任务是获取用户输入，删除所有元音，然后打印新语句.

I am doing a homework assignment for my Computer Science course. The task is to get a users input, remove all of the vowels, and then print the new statement.

我知道我可以使用以下代码轻松做到这一点:

I know I could easily do it with this code:

string.replaceAll("[aeiou](?!\\b)", "")

但是我的讲师希望我使用嵌套的if和else if语句来实现结果.现在我正在使用这样的东西:

But my instructor wants me to use nested if and else if statements to achieve the result. Right now I am using something like this:

if(Character.isLetter('a')){
    'do something'
}else if(Character.isLetter('e')){
    'do something else'

但是我不确定在if和else if语句中要做什么.我应该删除这封信吗?还是有更好的方法来做到这一点?

But I am not sure what to do inside the if and else if statements. Should I delete the letter? Or is there a better way to do this?

由于这是我的作业，我不希望完整的答案只是提示.谢谢！

Seeing as this is my homework I don't want full answers just tips. Thanks!

推荐答案

Character.isLetter('a')

Character.isLetter( char)告诉您输入的值是否是字母，在这种情况下(您已经知道"a"是字母)无济于事.

Character.isLetter(char) tells you if the value you give it is a letter, which isn't helpful in this case (you already know that "a" is a letter).

您可能想使用相等运算符==来查看您的字符是否为"a"，例如:

You probably want to use the equality operator, ==, to see if your character is an "a", like:

char c = ...
if(c == 'a') {
    ...
} else if (c == 'e') {
    ...
}

您可以通过多种方式获取字符串中的所有字符:

You can get all of the characters in a String in multiple ways:

• 作为具有 String.toCharArray()
• 使用 String.charAt(index)

• As an array with String.toCharArray()
• Getting each character from the String using String.charAt(index)

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