int cont = 1;
String s = "E:\\学习资料\\Java笔记-";
while(cont<100){
File f = new File(s+cont+".txt");
if(!f.exists()){
f.createNewFile();
}
cont++;
}
批量修改文件名
File file = new File("E:\\学习资料");
String sf = file.getAbsolutePath();
File[] f= file.listFiles();
int cont =1;
for (File file2 : f) {
String oldname = file2.getName();
String name = oldname.replace("Java笔记-", "");
String newname = sf+"\\"+name;
File ff = new File(newname);
boolean b =file2.renameTo(ff);
if(b){
System.out.println("修改成功"+cont+"个文件");
cont++;
}
}
