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思路 package package5; import java.io.*; //复制单击文件夹,该文件里有多种类型文件 public class CopyFile { public static void main(String[] args) throws IOException { //创建数 阅读全文
posted @ 2022-10-21 20:42
knlf
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//学生类 package package4; public class Student { private String id; private String name; private String sex; private String address; public Student() { 阅读全文
posted @ 2022-10-21 17:20
knlf
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package package3; import java.io.BufferedReader; import java.io.FileReader; import java.io.IOException; import java.util.ArrayList; public class TxtTo 阅读全文
posted @ 2022-10-21 16:39
knlf
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package package3; import java.io.BufferedWriter; import java.io.FileWriter; import java.io.IOException; import java.util.ArrayList; public class Array 阅读全文
posted @ 2022-10-21 16:22
knlf
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package package3; import java.io.*; public class CopyJavaDemo1 { public static void main(String[] args) throws IOException { //根据数据源创建字符字符缓冲输入流对象 Buff 阅读全文
posted @ 2022-10-21 15:18
knlf
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