在 Java 中删除字符串中的额外分隔符
给定一个末尾有额外分隔符的字符串，任务是在 Java 中移除这个额外的分隔符。
例:
Input: String = "Geeks, For, Geeks, ", delimiter = ', '
Output: "Geeks, For, Geeks"
Input: String = "G.e.e.k.s.", delimiter = '.'
Output: "G.e.e.k.s"
进场:
- Take the string.
- Use the last index of () method to get the last index of the separator.
-
用两个不同的子字符串构造一个新的字符串:一个从开始到找到的索引–1，另一个从索引+ 1 到结束。
下面是上述方法的实现:
```java // Java program to remove // extra delimiter at the end of a String
public class GFG {
public static void main(String args[]) {
// Get the String String str = "Geeks, For, Geeks,";
// Get the delimiter char delimiter = ',';
// Print the original string System.out.println("Original String: " + str);
// Get the index of delimiter int index = str.lastIndexOf(delimiter);
// Remove the extra delimiter by skipping it str = str.substring(0, index) + str.substring(index + 1);
// Print the new String System.out.println("String with extra " + "delimiter removed: " + str); } } ```
输出:
```java Original String: Geeks, For, Geeks, String with extra delimiter removed: Geeks, For, Geeks
```
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