Java 中 linkedblockingdequetaklast()方法
原文:https://www . geeksforgeeks . org/link edblockingeque-take last-in-method-Java/
的 takeLast() 方法链接锁定请求返回并移除德格容器的尾部。如果在等待时被中断，该方法将抛出中断异常。
语法:
public E takeLast()
返回:该方法返回德雀容器的尾(最后一个元素)。
异常:如果在等待时被中断，该功能会抛出中断异常。
下面的程序说明了 takeLast() 链接锁定请求的方法:
节目 1:
// Java Program to demonstrate takeLast()
// method of LinkedBlockingDeque
import java.util.concurrent.LinkedBlockingDeque;
import java.util.*;
public class GFG {
public static void main(String[] args)
throws InterruptedException
{
// create object of LinkedBlockingDeque
LinkedBlockingDeque<Integer> LBD
= new LinkedBlockingDeque<Integer>();
// Add numbers to end of LinkedBlockingDeque
LBD.add(7855642);
LBD.add(35658786);
LBD.add(5278367);
LBD.add(74381793);
// print Dequeue
System.out.println("Linked Blocking Deque: " + LBD);
// removes the last element and prints it
System.out.println("Head of Linked Blocking Deque: "
+ LBD.takeLast());
// prints the Deque
System.out.println("Linked Blocking Deque: " + LBD);
}
}
输出:
Linked Blocking Deque: [7855642, 35658786, 5278367, 74381793]
Head of Linked Blocking Deque: 74381793
Linked Blocking Deque: [7855642, 35658786, 5278367]
节目 2:
// Java Program to demonstrate takeLast()
// method of LinkedBlockingDeque
import java.util.concurrent.LinkedBlockingDeque;
import java.util.*;
public class GFG {
public static void main(String[] args)
throws InterruptedException
{
// create object of LinkedBlockingDeque
LinkedBlockingDeque<Integer> LBD
= new LinkedBlockingDeque<Integer>();
// Add numbers to end of LinkedBlockingDeque
LBD.add(7855642);
LBD.add(35658786);
LBD.add(5278367);
LBD.add(74381793);
// print Dequeue
System.out.println("Linked Blocking Deque: " + LBD);
LBD.clear();
// throws error as the list is empty and it
// is interrupted while waiting
System.out.println("Head of Linked Blocking Deque: "
+ LBD.takeLast());
}
}
运行时错误:
Max real time limit exceeded due to either by heavy load on server or by using sleep function
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