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: G
Current Index: 0

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