Java AbstractSequentialList set()用法及代碼示例

Java.util.AbstractSequentialList的set()方法用於將使用LinkedList類創建的順序列表中的任何特定元素替換為另一個元素。這可以通過在set()方法的參數中指定要替換的元素的位置和新元素來完成。

用法:

AbstractSequentialList.set(int index, Object element)

參數：該函數接受兩個參數，分別說明如下。

index：這是整數類型，是指要從列表中替換的元素的位置。
element：這是將替換現有元素的新元素，並且與順序列表具有相同的對象類型。

返回值：該方法從順序列表中返回先前的值，該值被新值替換。

以下示例程序旨在說明Java.util.AbstractSequentialList.set()方法：

範例1：

// Java code to illustrate set() 
  
import java.util.*; 
import java.util.AbstractSequentialList; 
  
public class AbstractSequentialListDemo { 
    public static void main(String args[]) 
    { 
        // Creating an empty AbstractSequentialList 
        AbstractSequentialList<String> 
            absqlist = new LinkedList<String>(); 
  
        // Use add() method to add elements in the list 
        absqlist.add("Geeks"); 
        absqlist.add("for"); 
        absqlist.add("Geeks"); 
        absqlist.add("10"); 
        absqlist.add("20"); 
  
        // Displaying the AbstractSequentialList 
        System.out.println("AbstractSequentialList:"
                           + absqlist); 
  
        // Using set() method to replace Geeks with GFG 
        System.out.println("The Object that is replaced is:"
                           + absqlist.set(2, "GFG")); 
  
        // Using set() method to replace 20 with 50 
        System.out.println("The Object that is replaced is:"
                           + absqlist.set(4, "50")); 
  
        // Displaying the modified linkedlist 
        System.out.println("The new List is:" + absqlist); 
    } 
}

輸出：

AbstractSequentialList:[Geeks, for, Geeks, 10, 20]
The Object that is replaced is:Geeks
The Object that is replaced is:20
The new List is:[Geeks, for, GFG, 10, 50]

範例2：

// Java code to illustrate set() 
  
import java.util.*; 
import java.util.AbstractSequentialList; 
  
public class AbstractSequentialListDemo { 
    public static void main(String args[]) 
    { 
  
        // Creating an empty AbstractSequentialList 
        AbstractSequentialList<Integer> 
            absqlist = new LinkedList<Integer>(); 
  
        // Use add() method to add elements in the list 
        absqlist.add(50); 
        absqlist.add(40); 
        absqlist.add(30); 
        absqlist.add(20); 
        absqlist.add(10); 
  
        // Displaying the AbstractSequentialList 
        System.out.println("AbstractSequentialList:"
                           + absqlist); 
  
        // Using set() method to replace 40 with 400 
        System.out.println("The Object that is replaced is:"
                           + absqlist.set(1, 400)); 
  
        // Using set() method to replace 10 with 100 
        System.out.println("The Object that is replaced is:"
                           + absqlist.set(4, 100)); 
  
        // Displaying the modified linkedlist 
        System.out.println("The new List is:" + absqlist); 
    } 
}

輸出：

AbstractSequentialList:[50, 40, 30, 20, 10]
The Object that is replaced is:40
The Object that is replaced is:10
The new List is:[50, 400, 30, 20, 100]

相關用法

注：本文由純淨天空篩選整理自Chinmoy Lenka大神的英文原創作品 AbstractSequentialList set() method in Java with Examples。非經特殊聲明，原始代碼版權歸原作者所有，本譯文未經允許或授權，請勿轉載或複製。