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Commit55b8d0b

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serialization is fun
1 parenta13228f commit55b8d0b

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2 files changed

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packagelearnHeadFirstJava.serializationIsFun;
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importjava.io.Serializable;
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publicclassGospelBookimplementsSerializable {
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privatestaticfinallongserialVersionUID =3141633621593356035L;
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privateStringname;
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privateStringauthor;
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privateintorder;
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publicGospelBook(Stringname,Stringauthor,intorder) {
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super();
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this.name =name;
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this.author =author;
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this.order =order;
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}
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publicStringgetName(){
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returnname;
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}
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publicintgetOrder(){
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returnorder;
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}
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publicStringgetAuthor(){
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returnauthor;
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}
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}
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packagelearnHeadFirstJava.serializationIsFun;
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importjava.io.FileInputStream;
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importjava.io.FileNotFoundException;
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importjava.io.FileOutputStream;
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importjava.io.IOException;
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importjava.io.ObjectInputStream;
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importjava.io.ObjectOutputStream;
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publicclassGospelSaverTest {
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publicstaticvoidmain(String[]args)throwsClassNotFoundException {
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GospelBookmatthew =newGospelBook("Matthew","anonymous",1);
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GospelBookmark =newGospelBook("Mark","unknown",2);
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GospelBookluke =newGospelBook("Luke","not named",3);
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GospelBookjohn =newGospelBook("John","anonymous",4);
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try {
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ObjectOutputStreamos =newObjectOutputStream(newFileOutputStream("Gospel.ser"));
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os.writeObject(mark);
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os.writeObject(matthew);
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os.writeObject(luke);
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os.writeObject(john);
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os.close();
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}catch (FileNotFoundExceptione) {
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e.printStackTrace();
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}catch (IOExceptione) {
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e.printStackTrace();
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}
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john =null;
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matthew =null;
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luke =null;
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mark =null;
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try {
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ObjectInputStreamis =newObjectInputStream(newFileInputStream("Gospel.ser"));
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GospelBookrestore1 = (GospelBook)is.readObject();
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GospelBookrestore2 = (GospelBook)is.readObject();
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GospelBookrestore3 = (GospelBook)is.readObject();
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GospelBookrestore4 = (GospelBook)is.readObject();
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System.out.println("restore1 name is: " +restore1.getName());
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System.out.println("restore2 name is: " +restore2.getName());
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System.out.println("restore3 name is: " +restore3.getName());
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System.out.println("restore4 cnamelass is: " +restore4.getName());
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}catch (FileNotFoundExceptione) {
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e.printStackTrace();
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}catch (IOExceptione) {
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e.printStackTrace();
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}
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System.out.println("Program ended.");
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}
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}

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