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package spss;import java.io.UnsupportedEncodingException;import java.nio.charset.StandardCharsets;import java.util.Comparator;import java.util.Locale;import java.util.concurrent.PriorityBlockingQueue;/** * @Author lyr * @create 2020/3/16 19:36 */public class Test {
       public static void main(String[] args) {
           PriorityBlockingQueue q                = new PriorityBlockingQueue(10, Comparator.comparingInt((Integer i)-> i).reversed());        for(int i=0;i<=3;++i) {
               q.put(i);        }        try {
               System.out.println("卡住了e");            System.out.println(q.take());            System.out.println("结束了e");        } catch (InterruptedException e) {
               e.printStackTrace();        }    }}

复习一下lambda 表达式的写法

package spss;import java.io.UnsupportedEncodingException;import java.nio.charset.StandardCharsets;import java.util.Comparator;import java.util.Locale;import java.util.concurrent.PriorityBlockingQueue;/** * @Author lyr * @create 2020/3/16 19:36 */public class Test {
       public static void main(String[] args) {
           PriorityBlockingQueue q                = new PriorityBlockingQueue(10, Comparator.comparingInt(Integer::intValue).reversed());        for(int i=0;i<=3;++i) {
               q.put(i);        }        try {
               System.out.println("卡住了e");            System.out.println(q.take());            System.out.println("结束了e");        } catch (InterruptedException e) {
               e.printStackTrace();        }    }}

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