javaÎļþ·ÃÎÊFileÀ༰Æä¹ýÂË
import java.io.*;
class FileTest
{
public static void main(String[] args) throws Exception
{
//File f=new File("1.txt");
//f.createNewFile();
//f.mkdir();
//File f=new File("E:\\JavaLesson\\Lesson7\\1.txt");//ÔÚWindowsϵͳÏÂ,Óþø¶Ô·¾¶Ï´´½¨Îļþ,ÓÃ\\,\+×ÖĸÊÇÓÃÓÚ
תÒå×Ö·û
//f.createNewFile();
//Ïß³Ì˯ÃßÈýÃëÖÓ
File fDir=new File(File.separator);
String strFile="JavaLesson"+File.separator+"Lesson6";
File f=new File(fDir,strFile);
String[] names=f.list(new FilenameFilter()//µÃµ½ÒÔÉÏÎļþ¼ÐÏÂËùÓеÄÎļþÃûºÍĿ¼Ãû,´æ´¢ÔÚnamesÊý×éÖÐ
//½Ó¿Ú»¹¿ÉÒÔÕâÑùʵÏÖ
{
public boolean accept(File dir,String name)
{
return name.indexOf(".java")!=-1;
}
});
for(int i=0;i<names.length;i++)
{
System.out.println(names[i]);
}
}
}
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Integer var = new Integer();//ÓÐÓï·¨´íÎó
Integer var = new Integer(2);//悦﵀
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