Programming and Problem Solving with Java

CASE STUDY^567

importjava.io.;
importaddressBook.;
importlist.*;

public classMergeBooks
{
public static voidmain(String[] args) throwsIOException
{
// Declare files and lists
ObjectInputStream firstFile;
ObjectInputStream secondFile;
ObjectOutputStream outFile;
PrintWriter labelFile;
SortedList firstList; // First list of entries
SortedList secondList; // Second list of entries
SortedList resultList; // Combined list of entries

// Declare an entry for each list

EntryPlus firstEntry;

EntryPlus secondEntry;

EntryPlus resultEntry;

// Declare a counter for each list

intfirstCount;

intsecondCount;

booleanmoreData1; // More data in firstList

booleanmoreData2; // More data in secondList

// Declare variables for the number of entries in each list

intfirstLimit;

intsecondLimit;

intresultLimit;

intcompareResult; // Result from a comparison

// Prepare files

firstFile = newObjectInputStream(newFileInputStream("adBook1.dat"));

secondFile = newObjectInputStream(newFileInputStream("adBook2.dat"));

outFile = newObjectOutputStream(newFileOutputStream("adBook3.dat"));

labelFile = newPrintWriter(newFileWriter("labels.out"));

// Create the two lists of entries

firstList = newSortedList();

secondList = newSortedList();