BreakIterator 是 Java 中的 Boundary()方法，带有示例

原文:https://www . geesforgeks . org/breakiterator-is boundary-method-in-Java-with-examples/

java.text.BreakIterator 类的 isBoundary() 方法用于检查传递的偏移量是否为边界。

语法:

public boolean isBoundary(int offset)

参数:该方法以偏移为参数，检查是否为边界。

返回值:如果传递的偏移量是边界，则该方法提供真，否则提供假。

以下是举例说明 isBoundary() 方法的例子:

例 1:

// Java program to demonstrate isBoundary() method

import java.text.*;
import java.util.*;
import java.io.*;

public class GFG {
    public static void main(String[] argv)
    {
        // creating and initializing BreakIterator
        BreakIterator wb
            = BreakIterator.getWordInstance();

        // setting text for BreakIterator
        wb.setText("Code  Geeks");

        // checking for the boundary
        // by using isBoundary() method
        boolean status = wb.isBoundary(0);

        // display the result
        if (status)
            System.out.println("offset is a boundary");
        else
            System.out.println("offset is not a boundary");
    }
}

输出:

offset is a boundary

例 2:

// Java program to demonstrate isBoundary() method

import java.text.*;
import java.util.*;
import java.io.*;

public class GFG {
    public static void main(String[] argv)
    {
        // creating and initializing BreakIterator
        BreakIterator wb
            = BreakIterator.getWordInstance();

        // setting text for BreakIterator
        wb.setText("Code  Geeks");

        // checking for the boundary
        // by using isBoundary() method
        boolean status = wb.isBoundary(2);

        // display the result
        if (status)
            System.out.println("offset is a boundary");
        else
            System.out.println("offset is not a boundary");
    }
}

输出:

offset is not a boundary

参考:https://docs . Oracle . com/javase/9/docs/API/Java/text/breakiterator . html # isbboundary-int-

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