比较两个文件的名称. NameFileComparator可用于以区分大小写,不区分大小写或与系统相关的区分大小写的方式使用其名称对文件列表或文件数组进行排序.
以下是 org.apache.commons.io.comparator.NameFileComparator Class :
public class NameFileComparator extends Object implements Serializable
这是输入我们需要解析和减去文件;
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IOTester.java
import java.io.File; import java.io.FileFilter; import java.io.IOException; import org.apache.commons.io.IOCase; import org.apache.commons.io.comparator.NameFileComparator; import org.apache.commons.io.filefilter.FileFileFilter; public class IOTester { public static void main(String[] args) { try { usingNameFileComparator(); } catch(IOException e) { System.out.println(e.getMessage()); } } public static void usingNameFileComparator() throws IOException { //get the current directory File currentDirectory = new File("."); NameFileComparator comparator = new NameFileComparator(IOCase.INSENSITIVE); File[] sortedFiles = comparator.sort(currentDirectory.listFiles((FileFilter)FileFileFilter.FILE)); System.out.println("Sorted By Name: "); for(File file:sortedFiles) { System.out.println(file.getName()); } } }
它将打印以下内容结果.
Sorted By Name: .classpath .project input.txt