在当前目录下创建一个名为“新建文本文档.txt”的空白文本文档； 如果已经存

import java.io.*;
import java.util.logging.Level;
import java.util.logging.Logger;

public class createEmptyFiles {

    public static void main(String[] args) {

        String fileName = "新建文本文档.txt";
        File file = new File(fileName);
        int counter = 2;
			
        while(file.exists()){
            fileName = "新建文本文档" + "(" + counter + ")" + ".txt";
            file = new File(fileName);
			counter++;
        }

        try {
            file.createNewFile();
            System.out.println("创建成功");            
        } catch (IOException ex) {
            Logger.getLogger(createEmptyFiles.class.getName()).log(Level.SEVERE, null, ex);
        }

    }
}