import java.io.FileOutputStream;
import java.io.IOException;
import java.io.ObjectOutputStream;public class TestInputStream {
public static void main(String args[]){
try{
Student s=new Student("0001","张小海",25);
FileOutputStream fos=new FileOutputStream("c:\\zczc.txt");
ObjectOutputStream dos=new ObjectOutputStream(fos);
dos.writeObject(s);
dos.close();
fos.close();
}catch (Exception e){
System.out.println(e);
} }
}
class Student{
private String id,name;int age; public Student(String id, String name, int age) {
super();
this.id = id;
this.name = name;
this.age = age;
} public String getId() {
return id;
}
public void setId(String id) {
this.id = id;
}
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;
}}
import java.io.IOException;
import java.io.ObjectOutputStream;public class TestInputStream {
public static void main(String args[]){
try{
Student s=new Student("0001","张小海",25);
FileOutputStream fos=new FileOutputStream("c:\\zczc.txt");
ObjectOutputStream dos=new ObjectOutputStream(fos);
dos.writeObject(s);
dos.close();
fos.close();
}catch (Exception e){
System.out.println(e);
} }
}
class Student{
private String id,name;int age; public Student(String id, String name, int age) {
super();
this.id = id;
this.name = name;
this.age = age;
} public String getId() {
return id;
}
public void setId(String id) {
this.id = id;
}
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;
}}
------>>>private String id;
private String name;
private int age;类写入文件,还需要implements java.io.Seriealable(单词忘了,序列化谢谢)。
java.io.Serializable
内部类写法
class Student implements java.io.Serializable{...}
将Student类改为这样
class Student implements Serializable