java学习_File文件夹遍历

public static void main(String[] args) {
// TODO Auto-generated method stub
//方法名、参数名小写开头 类名大写开头
// ../获取相对路径
printFiles(new File("../helloFile"),1);
}

public static void printFiles(File file,int tab) {
if(file.isDirectory())
{
File next[]=file.listFiles();
for (int i = 0; i < next.length; i++) {
for (int j = 0; j < tab; j++) {
System.out.print("|---");	
}
System.out.println(next[i].getName());
if(next[i].isDirectory())
{
printFiles(next[i],tab+1);
}
}

}
}