fork download

package test.java.oo;
 
import java.util.concurrent.Executors;
import java.util.concurrent.ScheduledExecutorService;
import java.util.concurrent.TimeUnit;
 
import com.google.common.util.concurrent.ListeningScheduledExecutorService;
import com.google.common.util.concurrent.MoreExecutors;
 
public class NonBlockingExcutor {
 
	private static ListeningScheduledExecutorService mListeningScheduledExecutorService = null;
	private static ScheduledExecutorService mScheduledExecutorService = null;
 
	private static boolean isTurnOn = false;
 
	public static class doWork implements Runnable {
		private String name = null;
 
		public doWork(String name) {
			this.name = name;
		}
 
		@Override
		public void run() {
			if (isTurnOn) {
				System.out.println(name + " 完工!");
			} else {
				mListeningScheduledExecutorService.schedule(this, 1,
						TimeUnit.SECONDS);
				System.out.println(name + " 等待開工");
			}
		}
	}
 
	public static void main(String[] args) {
		mScheduledExecutorService = Executors.newScheduledThreadPool(5,
				Executors.defaultThreadFactory());
		mListeningScheduledExecutorService = MoreExecutors
				.listeningDecorator(mScheduledExecutorService);
		for (int i = 1; i <= 9; i++) {
			mListeningScheduledExecutorService.submit(new doWork("任務" + i));
		}
 
		// 打開電源的工作
		mListeningScheduledExecutorService.submit(new Runnable() {
			@Override
			public void run() {
				isTurnOn = true;
			}
		});
	}
 
}
 

Main.java:10: error: class NonBlockingExcutor is public, should be declared in a file named NonBlockingExcutor.java
public class NonBlockingExcutor {
       ^
Main.java:7: error: package com.google.common.util.concurrent does not exist
import com.google.common.util.concurrent.ListeningScheduledExecutorService;
                                        ^
Main.java:8: error: package com.google.common.util.concurrent does not exist
import com.google.common.util.concurrent.MoreExecutors;
                                        ^
Main.java:12: error: cannot find symbol
	private static ListeningScheduledExecutorService mListeningScheduledExecutorService = null;
	               ^
  symbol:   class ListeningScheduledExecutorService
  location: class NonBlockingExcutor
Main.java:39: error: cannot find symbol
		mListeningScheduledExecutorService = MoreExecutors
		                                     ^
  symbol:   variable MoreExecutors
  location: class NonBlockingExcutor
5 errors

Standard output is empty