RedHat7将网卡名称eno16777736改为eth0

from<thinking in java>

 

LinkedList has methods to support queue behavior and it implements the Queue interface, 

so a LinkedList can be used as a Queue implementation. By upcasting a LinkedList to a 

Queue, this example uses the Queuespecific methods in the Queue interface:  

 

//: holding/QueueDemo.java
// Upcasting to a Queue from a LinkedList.
import java.util.*;

public class QueueDemo {
public static void printQ(Queue queue) {
while(queue.peek() != null)
System.out.print(queue.remove() + " ");
System.out.println();
}
public static void main(String[] args) {
Queue<Integer> queue = new LinkedList<Integer>();
Random rand = new Random(47);
for(int i = 0; i < 10; i++)
queue.offer(rand.nextInt(i + 10));
printQ(queue);
Queue<Character> qc = new LinkedList<Character>();
for(char c : "Brontosaurus".toCharArray())
qc.offer(c);
printQ(qc);
}
} /* Output:
8 1 1 1 5 14 3 1 0 1
B r o n t o s a u r u s
*///:~