Java BreakIterator next(int)用法及代码示例

java.text.BreakIterator类的next()方法用于从当前边界(通过调用current()方法检索的边界)获取第n个下一个边界的索引。它提供了由BreakIterator指向的当前边界之后或之前的边界第一个字符的偏移量。

用法:

public abstract int next(int n)

参数：它使用n(要跳过的边界数)作为参数。如果n为正，它将向前跳过边界，否则向后跳过。

返回值：此方法提供当前边界的第n个下一个边界的索引。

下面是说明next()方法的示例：

示例1:

// Java program to demonstrate next() method 
  
import java.text.*; 
import java.util.*; 
import java.io.*; 
  
public class GFG { 
    public static void main(String[] argv) 
    { 
        // creating and initializing with zero 
        int current = 0, next = 0; 
  
        // creating and initializing BreakIterator 
        BreakIterator wb 
            = BreakIterator.getWordInstance(); 
  
        // setting text for BreakIterator 
        wb.setText("Code  Geeks"); 
  
        // getting the current text boundary 
        current = wb.current(); 
  
        // display the result 
        System.out.println( 
            "current position before"
            + " calling next() : "
            + current); 
  
        // calling next method 
        next = wb.next(2); 
  
        // display the result 
        System.out.println( 
            "\ncurrent position after"
            + " calling 1st next() : "
            + next); 
  
        // calling next method 
        next = wb.next(-1); 
  
        // display the result 
        System.out.println( 
            "\ncurrent position after"
            + " calling 2nd next() : "
            + next); 
    } 
}

输出：

current position before calling next() : 0

current position after calling 1st next() : 6

current position after calling 2nd next() : 4

示例2:

// Java program to demonstrate next() method 
  
import java.text.*; 
import java.util.*; 
import java.io.*; 
  
public class GFG { 
    public static void main(String[] argv) 
    { 
        // creating and initializing with zero 
        int current = 0, next = 0; 
  
        // creating and initializing BreakIterator 
        BreakIterator wb 
            = BreakIterator.getWordInstance(); 
  
        // setting text for BreakIterator 
        wb.setText("Code  Geeks"); 
  
        // getting the current text boundary 
        current = wb.current(); 
  
        // display the result 
        System.out.println( 
            "current position before"
            + " calling next() : "
            + current); 
  
        // calling next method 
        next = wb.next(1); 
  
        // display the result 
        System.out.println( 
            "\ncurrent position after"
            + " calling 1st next() : "
            + next); 
  
        // calling next method 
        next = wb.next(2); 
  
        // display the result 
        System.out.println( 
            "\ncurrent position after"
            + " calling 2nd next() : "
            + next); 
    } 
}

输出：

current position before calling next() : 0

current position after calling 1st next() : 4

current position after calling 2nd next() : 11

参考： https://docs.oracle.com/javase/9/docs/api/java/text/BreakIterator.html#next-int-

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注：本文由纯净天空筛选整理自RohitPrasad3大神的英文原创作品 BreakIterator next(int) 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。