Java StringCharacterIterator getIndex()方法及示例

Java中 java.text .StringCharacterIterator类 的 getIndex() 方法是用来获取这个StringCharacterIterator要读取的当前索引。该方法返回该索引号。

语法。

public int getIndex()

参数。此方法不接受任何参数。

返回值。该方法返回该StringCharacterIterator所要读取的索引号。

异常。此方法不抛出任何异常。

程序。

// Java program to demonstrate// the above method  import java.text.*;import java.util.*;  public class StringCharacterIteratorDemo {    public static void main(String[] args)    {          StringCharacterIterator stringCharacterIterator            = new StringCharacterIterator(                "GeeksForGeeks");          System.out.println("Current character: "                           + stringCharacterIterator                                 .current());          System.out.println("Current Index: "                           + stringCharacterIterator                                 .getIndex());    }}

输出:

Current character: GCurrent Index: 0

参考资料: https://docs.oracle.com/javase/9/docs/api/java/text/StringCharacterIterator.html#getIndex-