Java中java.text.StringCharacterIterator类的previous()方法用于获取此StringCharacterIterator读取的先前字符。此方法将该迭代器递减为一个索引,然后返回该前一个字符。
用法:
public char previous()
参数:此方法不接受任何参数。
返回值:此方法返回此StringCharacterIterator读取的前一个字符。
异常:此方法不引发任何异常。
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");
stringCharacterIterator.next();
System.out.println("Current character: "
+ stringCharacterIterator
.current());
System.out.println("Previous character: "
+ stringCharacterIterator
.previous());
}
}
输出:
Current character: e Previous character: G
参考: https://docs.oracle.com/javase/9/docs/api/java/text/StringCharacterIterator.html#previous–
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注:本文由纯净天空筛选整理自ShubhamMaurya3大神的英文原创作品 StringCharacterIterator previous() method in Java with Examples。非经特殊声明,原始代码版权归原作者所有,本译文未经允许或授权,请勿转载或复制。