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 TestAnimal implements Serializable{ private static final long serialVersionUID = 1L; private transient String username; private String password; public String getUsername() { return username; } public void setUsername(String username) { this.username = username; } public String getPassword() { return password; } public void setPassword(String password) { this.password = password; } public static void main(String[] args) { String path = "D:" + File.separator + "data.txt"; File file = new File(path); TestAnimal ta = new TestAnimal(); ta.setUsername("张三"); ta.setPassword("李四"); try { ObjectOutput oo = new ObjectOutputStream(new FileOutputStream(file)); oo.writeObject(ta); ObjectInput oi = new ObjectInputStream(new FileInputStream(file)); TestAnimal tt = (TestAnimal)oi.readObject(); System.out.println(tt.getUsername()+tt.getPassword()); } catch (FileNotFoundException e) { e.printStackTrace(); } catch (ClassNotFoundException e) { e.printStackTrace(); } catch (IOException e) { e.printStackTrace(); } } } 输出: null李四
Java语言滴transient
transient说明一个属性是临时的,不会被序列化。详看事例:
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转载自zhangchunxiao.iteye.com/blog/2195957
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