Java Reference
In-Depth Information
// Add ten random integers 1 to 100
numbers.addItem(1 + (int)(100.0*random()));
}
System.out.println("\nnumbers list contains:");
listAll(numbers);
// List contents of
numbers
// Now serialize the list to a file
try (ObjectOutputStream objOut = new ObjectOutputStream(
new
BufferedOutputStream(Files.newOutputStream(file)))){
objOut.writeObject(numbers);
} catch(IOException e) {
e.printStackTrace();
System.exit(1);
}
LinkedList<Integer> values = null; // Variable to store list
from the file
// Deserialize the list from the file
try (ObjectInputStream objIn = new ObjectInputStream(
new
BufferedInputStream(Files.newInputStream(file)))){
values = (LinkedList<Integer>)(objIn.readObject());
} catch(ClassNotFoundException|IOException e) {
e.printStackTrace();
System.exit(1);
}
System.out.println("\nvalues list contains:");
listAll(values);
// List contents of
values
}
// Helper method to list the contents of a linked list
static void listAll(LinkedList<Integer> list) {
Integer number = list.getFirst();
int count = 0;
do {
System.out.printf("%5d", number);
if(++count%5 == 0) {
System.out.println();
}
} while((number = list.getNext()) != null);
}
}
Directory "TrySerializableLinkedList"
