Java中的transient关键字
2014-09-09 22:49
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transient说明一个属性是临时的,不会被序列化。
下面是一个Demo,name声明为 transient,不被序列化
输出
null密码
下面是一个Demo,name声明为 transient,不被序列化
package com.zzs.tet; import java.io.File; import java.io.FileInputStream; import java.io.FileNotFoundException; import java.io.FileOutputStream; import java.io.IOException; import java.io.ObjectInput; import java.io.ObjectInputStream; import java.io.ObjectOutput; import java.io.ObjectOutputStream; import java.io.Serializable; public class TransientDemo implements Serializable{ /** * */ private static final long serialVersionUID = 1L; private transient String name; private String password; public String getName() { return name; } public void setName(String name) { this.name = name; } public String getPassword() { return password; } public void setPassword(String password) { this.password = password; } /** * @param args * @throws IOException * @throws FileNotFoundException * @throws ClassNotFoundException */ public static void main(String[] args) throws FileNotFoundException, IOException, ClassNotFoundException { // TODO Auto-generated method stub String path="D:"+File.separator+"object.txt"; File file=new File(path); TransientDemo transientDemo=new TransientDemo(); transientDemo.setName("姓名"); transientDemo.setPassword("密码"); ObjectOutput output=new ObjectOutputStream(new FileOutputStream(file)); output.writeObject(transientDemo); ObjectInput input=new ObjectInputStream(new FileInputStream(file)); TransientDemo demo=( TransientDemo )input.readObject(); System.out.println(demo.getName()+demo.getPassword()); } }
输出
null密码
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