import java.util.List; public class ImplementThreadSyncronization { /* 20.3 */ public static class OddThread extends Thread { private List<Integer> list; public OddThread(List<Integer> list) { this.list = list; } @Override public void run() { } } public static class EvenThread extends Thread { private List<Integer> list; public EvenThread(List<Integer> list) { this.list = list; } @Override public void run() { } } }