Working with Files - Advanced Topics in Java: Core Concepts in Data Structures - page 196

public void printPart() {
System.out.printf("\nPart number: %s\n", partNum);
System.out.printf("Price: $%3.2f\n", price);
}
} //end class Part
Program P7.5 reads the data from the text file parts.txt and creates the binary file parts.bin .
Program P7.5
import java.io.*;
import java.util.*;
public class CreateBinaryFile2 {
static final int EndOfData = 0;
public static void main(String[] args) throws IOException {
Scanner in = new Scanner(new FileReader("parts.txt"));
DataOutputStream fp = new DataOutputStream(new FileOutputStream("parts.bin"));
Part part = getPartData(in);
while (part != null) {
writePartToFile(part, fp);
part = getPartData(in);
}
in.close();
fp.close();
} //end main
public static Part getPartData(Scanner in) {
int pnum = in.nextInt();
if (pnum == EndOfData) return null;
return new Part(pnum, in.nextDouble());
}
public static void writePartToFile(Part part, DataOutputStream f) throws IOException {
f.writeInt(part.partNum);
f.writeDouble(part.price);
part.printPart(); //print data on standard input
} //end writePartToFile
} //end class CreateBinaryFile2
//class Part goes here