java 对象输入输出流读写文件的操作实例

java 支持对对象的读写操作,所操作的对象必须实现Serializable接口。
实例代码:
package vo;
import java.io.Serializable;
public class Animal implements Serializable {
private static final long serialVersionUID = 1L;
private String name;
private Integer weight;
private String color;
private String type;
private Integer age;
private Integer lifetime;
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
public Integer getWeight() {
return weight;
}
public void setWeight(Integer weight) {
this.weight = weight;
}
public String getColor() {
return color;
}
public void setColor(String color) {
this.color = color;
}
public String getType() {
return type;
}
public void setType(String type) {
this.type = type;
}
public Integer getAge() {
return age;
}
public void setAge(Integer age) {
this.age = age;
}
public Integer getLifetime() {
return lifetime;
}
public void setLifetime(Integer lifetime) {
this.lifetime = lifetime;
}
public Animal(String name, Integer weight, String color, String type, Integer age, Integer lifetime) {
super();
this.name = name;
this.weight = weight;
this.color = color;
this.type = type;
this.age = age;
this.lifetime = lifetime;
}
@Override
public String toString() {
return "Animal [name=" + name + ", weight=" + weight + ", color=" + color + ", type=" + type + ", age=" + age + ", lifetime=" + lifetime + "]";
}
}