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发表于 2021-11-16 22:20:01
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说真的,这真的是很基础的知识
学java你不会文件操作怎么能行?
- import java.io.BufferedReader;
- import java.io.FileInputStream;
- import java.io.FileOutputStream;
- import java.io.InputStreamReader;
- import java.io.OutputStreamWriter;
- public class main {
- public static void copy(String src, String dest) {
- try {
- BufferedReader br = new BufferedReader(new InputStreamReader(new FileInputStream(src)));
- OutputStreamWriter writer = new OutputStreamWriter(new FileOutputStream(dest));
- String s; while((s = br.readLine()) != null) writer.append(s + "\n");
- writer.close();
- } catch(Exception e) {
- e.printStackTrace();
- }
- }
- public static void main(String[] args) {
- copy("main.java", "temp.txt");
- }
- }
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