RandomAccessFile file=new RandomAccessFile("11.txt","r");
RandomAccessFile file1=new RandomAccessFile("22.txt","r");
RandomAccessFile file2=new RandomAccessFile("33.txt","rw");前面读入的两个文件如果不是指定而是从文件对话框中选中的要怎么改?谢谢!!

使 用JFileChooser类就可以了,里面有很多方法你可以去查看一个API