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  • day29-2在d盘创建文件夹aaa 里面有aaa.txt bbb.txt ddd.txt

    package zuoye;

    public class person {
    private String name;
    private int age;

    public person( int age,String name) {
    this.name = name;
    this.age = age;
    }
    public String getName() {
    return name;
    }
    public void setName(String name) {
    this.name = name;
    }
    public int getAge() {
    return age;
    }
    public void setAge(int age) {
    this.age = age;
    }
    }

    package zuoye;

    import java.io.File;
    import java.io.IOException;
    import java.util.ArrayList;
    import java.util.Iterator;

    public class zuoye1 {
    public static void main (String[] args){
    try {
    fu();
    } catch (IOException e) {
    // TODO Auto-generated catch block
    e.printStackTrace();
    }
    }
    public static void fu() throws IOException{
    ArrayList<person> a=new ArrayList<person>();
    a.add(new person(1,"aaa"));
    a.add(new person(2,"bbb"));
    a.add(new person(3,"ddd"));
    File d=new File("D://aaa1");
    boolean d1 = d.mkdirs();
    System.out.println(d1);
    Iterator<person> b = a.iterator();
    for(person i:a){
    String c = i.getName();
    File a1=new File("D:\aaa1\",c+".tet");
    boolean c1 = a1.createNewFile();
    System.out.println(c1);
    }
    File[] c2=d.listFiles();
    for(File i:c2){
    System.out.println(i);
    }
    }
    }

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  • 原文地址:https://www.cnblogs.com/hfew/p/10589395.html
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