AddressBook - import java.util i import java.io import...

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import java.util.*; import java.io.*; i import javax.xml.parsers.SAXParser; import javax.xml.parsers.SAXParserFactory; i public class AddressBook implements Serializable{ p private static final long serialVersionUID = 1L; private ArrayList<BuddyInfo> buddies; p public AddressBook(){ buddies = new ArrayList<BuddyInfo>(); } public void addBuddy(BuddyInfo bi){ this.buddies.add(bi); } public void removeBuddy(BuddyInfo bi){ this.buddies.remove(bi); } public int getSize(){ return buddies.size(); } public void clear(){ buddies.clear(); } @Override public String toString(){ String s = ""; for(BuddyInfo bi : buddies){ s += bi + "\n"; } return s; } public void writeObject(File f){ try { ObjectOutputStream oos = new ObjectOutputStream(new FileOutputStream(f)); oos.writeObject(this); oos.close(); } catch (Exception e) { e.printStackTrace(); } } public String toXML(){ String s = "<AddressBook>\n"; for(BuddyInfo bi : buddies){ s += bi.toXML(); } return s + "</AddressBook>"; } public void writeXML(File f){
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try { FileWriter fWriter = new FileWriter(f); fWriter.write(this.toXML()); fWriter.close(); } catch (IOException e) { e.printStackTrace(); } }
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