我认为我可以使用“扫描仪”读取.txt文件,但是如何编写甚至创建新的文本文件?
这个基本的I / O和文件教程应该可以解决问题:)
Create a java.io.FileOutputStream to write it. To write text, you can create a PrintWriter
around it.
To create a new text file
FileOutputStream object=new FileOutputStream("a.txt",true);
object.write(byte[]);
object.close();
This will create a file if not available and if a file is already available it will append data to it.
This simple code example will create the text file if it doesn't exist, and if it does, it will overwrite it:
try {
FileWriter outFile = new FileWriter("c:/myfile.txt");
PrintWriter out = new PrintWriter(outFile);
// Also could be written as follows on one line
// Printwriter out = new PrintWriter(new FileWriter(filename));
// Write text to file
out.println("This is some text I wrote");
out.close();
} catch (IOException e) {
e.printStackTrace();
}
Hope it helps!
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