//Serializable is in java.io package
import java.io.*;
//Serializable a way to say that this type is OK to be serialized
// Used to save the object state
public class SerializationTest implements Serializable {
private int width;
private int height;
//transient says "don't save me"
transient String name;
public void setWidth(int value) {
width = value;
}
public void setHeight(int value) {
height = value;
}
public int getWidth() {
return width;
}
public static void main(String[] args) {
SerializationTest test = new SerializationTest();
test.setWidth(10);
test.setHeight(20);
try { // I/O can throw exceptions
//Connect to a file (FileOutputStream is a connection stream. In this case to a file)
FileOutputStream fs = new FileOutputStream("test.ser");
//Make an ObjectOutputStream chained to the connection stream
ObjectOutputStream os = new ObjectOutputStream(fs);
//write the object
os.writeObject(test);
os.close();
} catch(Exception ex) {
ex.printStackTrace();
}
try {
ObjectInputStream is = new ObjectInputStream(new FileInputStream("test.ser"));
//You read objects In (using readObjeet()) in the order In which they were originally written.
//return type is an Object
//static variables are not serialized
SerializationTest restored = (SerializationTest) is.readObject();
System.out.println("Restored type: \t" + restored.getWidth());
} catch(Exception ex) {
ex.printStackTrace();
}
File myfile = new File("test.ser");
System.out.println("File exists? : \t" + myfile.exists());
System.out.println("\tAbsolute path:: \t" + myfile.getAbsolutePath());
}
}
import java.io.*;
//Serializable a way to say that this type is OK to be serialized
// Used to save the object state
public class SerializationTest implements Serializable {
private int width;
private int height;
//transient says "don't save me"
transient String name;
public void setWidth(int value) {
width = value;
}
public void setHeight(int value) {
height = value;
}
public int getWidth() {
return width;
}
public static void main(String[] args) {
SerializationTest test = new SerializationTest();
test.setWidth(10);
test.setHeight(20);
try { // I/O can throw exceptions
//Connect to a file (FileOutputStream is a connection stream. In this case to a file)
FileOutputStream fs = new FileOutputStream("test.ser");
//Make an ObjectOutputStream chained to the connection stream
ObjectOutputStream os = new ObjectOutputStream(fs);
//write the object
os.writeObject(test);
os.close();
} catch(Exception ex) {
ex.printStackTrace();
}
try {
ObjectInputStream is = new ObjectInputStream(new FileInputStream("test.ser"));
//You read objects In (using readObjeet()) in the order In which they were originally written.
//return type is an Object
//static variables are not serialized
SerializationTest restored = (SerializationTest) is.readObject();
System.out.println("Restored type: \t" + restored.getWidth());
} catch(Exception ex) {
ex.printStackTrace();
}
File myfile = new File("test.ser");
System.out.println("File exists? : \t" + myfile.exists());
System.out.println("\tAbsolute path:: \t" + myfile.getAbsolutePath());
}
}
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