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Java Java Data Structures Organizing Data Serialization

filip hessle
filip hessle
1,104 Points

Serialver isn't compaling for me.

Treet package com.teamtreehouse;

import java.io.*;

public class Treets { public static void save(Treet[] treets) { try ( FileOutputStream fos = new FileOutputStream("treets.ser"); ObjectOutputStream oos = new ObjectOutputStream(fos); ) { oos.writeObject(treets); } catch(IOException ioe) { System.out.print("Problem saving Treets"); ioe.printStackTrace(); } }
public static Treet[] load() { Treet[] treets = new Treet[0]; try ( FileInputStream fis = new FileInputStream("treets.ser"); ObjectInputStream ois = new ObjectInputStream(fis); ) { treets = (Treet[]) ois.readObject(); } catch (IOException ioe) { System.out.println("Error reading file"); ioe.printStackTrace(); } catch (ClassNotFoundException cnfe) { System.out.println("Error loading treets"); cnfe.printStackTrace(); } return treets; } }


Example

import java.util.Arrays;; import java.util.Date;

import com.teamtreehouse.Treet; import com.teamtreehouse.Treets;

public class Example {

public static void main(String[] args) { Treet treet = new Treet("Filip", "lol", new Date(1421849732000L)); Treet secondTreet = new Treet( "journeytocode", "@treehouse makes learning Java sooooo fun! #treet", new Date(1421878767000L) ); System.out.printf("This is a new Treet: %s %n", treet); System.out.println("The words are:"); for (String word: treet.getWords()) { System.out.println(word); } Treet[] treets = {treet, secondTreet}; Arrays.sort(treets); for (Treet exampleTreet : treets) { System.out.println(exampleTreet); } Treets.save(treets); Treet[] reloadedTreets = Treets.load(); for (Treet reloaded : reloadedTreets) { System.out.print(reloaded); } } }


Treet

package com.teamtreehouse; import java.io.Serializable; import java.util.Date;

public class Treet implements Comparable, Serializable { private String mAuthor; private String mDescription; private Date mCreationDate; public Treet (String author, String description, Date creationDate) { mAuthor = author; mDescription = description; mCreationDate = creationDate; } @Override public String toString() { return String.format("Treet: \"%s\"by %s on %s", mDescription, mAuthor, mCreationDate); }

@Override public int compareTo(Object obj) { Treet other = (Treet) obj; if (equals(other)) { return 0; } int dateCmp = mCreationDate.compareTo(other.mCreationDate); if (dateCmp == 0) { return mDescription.compareTo(other.mDescription); } return dateCmp; }

public String getAuthor() { return mAuthor; } public String getDescription() { return mDescription; } public Date getCreationDate() { return mCreationDate; }

public String[] getWords() { return mDescription.toLowerCase().split("[^\w#@']+");

} }


serialver com.teamtreehouse.Treet Massage: bash: serialver: command not found.

I had the same problem, did i forget some steps?