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下面是創建一個Java編程文件這是創建一個java文件（編程）的正確方法？
這是正確的方式的代碼？或者是否有其他方式
public static void main(String[] args) throws IOException {
File atlas = new File("D:/WIP/pac/n/sample.txt");
if (!atlas.exists()) {
System.out.println("File not exist");
}
FileHandle mAtlasHandle = new FileHandle(atlas);
BufferedReader reader = mAtlasHandle.reader(1024);
String line = null;
ArrayList<String> mArrayList = new ArrayList<String>();
while ((line = reader.readLine()) != null) {
mArrayList.add(line);
}
File file = new File("D:/WIP/pac/n/Sample.java");
if (!file.exists()) {
file.createNewFile();
}
String packageName = "package com.atom.lib;";
PrintWriter writer = new PrintWriter(file);
String mString = new String(file.getName());
String name = mString.replaceFirst("[.][^.]+$", "");
String output = Character.toUpperCase(name.charAt(0)) + name.substring(1);
writer.println(packageName);
writer.println("public class " + output);
writer.println("{");
for (String obj : mArrayList) {
writer.println("public String " + obj + "=\"" + obj + "\";");
}
writer.println("}");
writer.close();
}