Java 中的 ConcurrentLinkedDeque pop()方法，带示例
原文:https://www . geeksforgeeks . org/concurrentlinkedeque-pop-method-in-Java-with-examples/
Java 中的Java . util . ConcurrentLinkedDeque . pop()方法用于从 concurrentlinkedeque 中弹出一个元素。该元素从 ConcurrentLinkedDeque 的顶部弹出，并从其中移除。 语法:
ConcurrentLinkedDeque.pop()
参数:该方法不取任何参数。 返回值:这个方法返回出现在 ConcurrentLinkedDeque 顶部的元素，然后删除它。 异常:方法抛出emptycon currentlinkedrequestexception如果 ConcurrentLinkedDeque 为空则抛出。 下面的程序说明了 Java . util . concurrentlinkedrequest . pop()方法: 程序 1:
Java 语言(一种计算机语言，尤用于创建网站)
// Java code to illustrate pop()
import java.util.*;
import java.util.concurrent.*;
public class ConcurrentLinkedDequeDemo {
public static void main(String args[])
{
// Creating an empty ConcurrentLinkedDeque
ConcurrentLinkedDeque<String> CLD
= new ConcurrentLinkedDeque<String>();
// Use add() method to add elements
CLD.push("Welcome");
CLD.push("To");
CLD.push("Geeks");
CLD.push("For");
CLD.push("Geeks");
// Displaying the ConcurrentLinkedDeque
System.out.println("Initial ConcurrentLinkedDeque: "
+ CLD);
// Removing elements using pop() method
System.out.println("Popped element: " + CLD.pop());
System.out.println("Popped element: " + CLD.pop());
// Displaying the ConcurrentLinkedDeque after pop operation
System.out.println("ConcurrentLinkedDeque after pop operation "
+ CLD);
}
}
输出:
Initial ConcurrentLinkedDeque: [Geeks, For, Geeks, To, Welcome]
Popped element: Geeks
Popped element: For
ConcurrentLinkedDeque after pop operation [Geeks, To, Welcome]
节目 2:
Java 语言(一种计算机语言，尤用于创建网站)
// Java code to illustrate pop()
import java.util.*;
import java.util.concurrent.*;
public class ConcurrentLinkedDequeDemo {
public static void main(String args[])
{
// Creating an empty ConcurrentLinkedDeque
ConcurrentLinkedDeque<Integer> CLD
= new ConcurrentLinkedDeque<Integer>();
// Use add() method to add elements
CLD.push(10);
CLD.push(15);
CLD.push(30);
CLD.push(20);
CLD.push(5);
// Displaying the ConcurrentLinkedDeque
System.out.println("Initial ConcurrentLinkedDeque: "
+ CLD);
// Removing elements using pop() method
System.out.println("Popped element: " + CLD.pop());
System.out.println("Popped element: " + CLD.pop());
// Displaying the ConcurrentLinkedDeque after pop operation
System.out.println("ConcurrentLinkedDeque after pop operation "
+ CLD);
}
}
Output:
Initial ConcurrentLinkedDeque: [5, 20, 30, 15, 10]
Popped element: 5
Popped element: 20
ConcurrentLinkedDeque after pop operation [30, 15, 10]
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