Java 中的 BreakIterator next(int)方法,示例
原文:https://www . geesforgeks . org/breakiterator-nextint-method-in-Java-with-examples/
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。它提供边界的第一个字符的偏移量,该偏移量在 BreakIterator 指向的当前边界之后或之前。
语法:
public abstract int next(int n)
参数:取 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,否则向后跳过边界。
返回值:此方法提供第 n 个下一个边界的索引形成当前边界。
以下是说明 next() 方法的示例:
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
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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