ex14(1).java

Thinking In Java 第四版练习题答案

// holding/Ex14.java
// TIJ4 Chapter Holding, Exercise 14, page 412
/* Create an empty LlinkedList<Integer>. Using a ListIterator, add Integers
* to the list by always inserting them in the middle of the list.
*/
import java.util.*;

public class Ex14 {
	static void addMiddle(LinkedList<Integer> l, Integer[] ia) {
		
		for(Integer i : ia) {
			ListIterator<Integer> it = 
				l.listIterator((l.size())/2);
			it.add(i);
			System.out.println(l);
		}
	}
	public static void main(String[] args) {
		LinkedList<Integer> li = new LinkedList<Integer>();
		Integer[] x = {0, 1, 2, 3, 4, 5, 6, 7};
		Ex14.addMiddle(li, x);
	}	
}