public class BookManagerService extends Service { private static final String TAG = BookManagerService.class.getSimpleName(); // CopyOnWriteArrayList 支持并发读写,实现自动线程同步,他不是继承自 ArrayList private CopyOnWriteArrayList<Book> mBookList = new CopyOnWriteArrayList<Book>(); //对象是不能跨进程...
Producer<String, String> producer =neworg.apache.kafka.clients.producer.KafkaProducer(props);inti = 0; Random random=newRandom();while(true) { i++; producer.send(newProducerRecord<String, String>("my-topic", "key-" +Integer.toString(i), i%3+","+random.nextInt(100))); System.out.pr...
import java.io.File; import java.io.IOException; import java.util.ArrayList; import java.util.Collections; import java.util.Comparator; import java.util.List; import .FileUtils; import org.apache.hadoop.conf.Configuration; import org.apache.hadoop.fs.Path; import org.apache.hadoop.io.LongWritable...
res.add(new ArrayList<>(list)):为深拷贝 import java.util.ArrayList;publicclassTest{publicstaticvoidmain(String[]args){ArrayList<Integer>list=newArrayList<Integer>();list.add(1);list.add(2);list.add(3);ArrayList<ArrayList<Integer>>res=newArrayList<ArrayList<Integer>>();ArrayList<ArrayList<Integer...
Add css class to PagedListPager html helper Add custom parameter into every query string using MVC action filter Add DataAnnotations attributes at runtime in mvc3 Add dropdown list and allow adding new values add HTTPS and the web page is blank Add logo to bootstrap sidebar Add new attribute...
list=new ArrayList<Msg>(); }else if("msg".equals(xp.getName())){ msg=new Msg(); //取标签(节点)上的属性值时,可以根据下标来取 msg.setId(Integer.parseInt(xp.getAttributeValue(0))); }else if("name".equals(xp.getName())){
Producer<String, String> producer =neworg.apache.kafka.clients.producer.KafkaProducer(props);inti = 0; Random random=newRandom();while(true) { i++; producer.send(newProducerRecord<String, String>("my-topic", "key-" +Integer.toString(i), ...