Learn to get the element from an ArrayList. We will be using ArrayList get() method to get the object at the specified index.
+ element); } } 输出: Exception in thread "main" java.lang.IndexOutOfBoundsException: Index: 5, Size: 4 at java.util.ArrayList.rangeCheck(ArrayList.java:657) at java.util.ArrayList.get(ArrayList.java:433) at GFG.main(GFG.java:22) 注:本文由VeryToolz翻译自 ArrayList get(index) Method ...
arrayList.add("Orange"); //获取指定索引位置的元素 String element = arrayList.get(1); System.out.println("Element at index 1: " + element); } } ``` 在上述示例中,我们创建了一个`ArrayList`对象,并添加了三个元素。然后,使用`get(1)`方法获取索引为1的元素,即第二个元素。最后,将该元素打印...
1.4. IndexOutOfBoundsException 无效的索引参数将导致IndexOutOfBoundsException错误。 Exception in thread "main" java.lang.IndexOutOfBoundsException: Index: 4, Size: 4 at java.util.ArrayList.rangeCheck(ArrayList.java:653) at java.util.ArrayList.get(ArrayList.java:429) at com.howtodoinjava.example....
List.get(index); Program:import java.util.*; public class ListExample { public static void main(String[] args) { // creating a list of integers List < Integer > int_list = new ArrayList < Integer > (); //adding some of the elements int_list.add(10); int_list.add(20); int_...
element is always on 0 index// last element is at size - 1 indexStringfirst=games.get(0);Stringlast=games.get(games.size()-1);System.out.println("ArrayList : "+games);System.out.println("First element in arraylist : "+first);System.out.println("Last element in arraylist : "+last)...
String fullName = element.select("div > div > a").attr("href"); String owner = fullName.substring(1, fullName.lastIndexOf("/")); String repoName = fullName.substring(fullName.lastIndexOf("/") +1); String ownerAvatar = element.select("div > div > a > img").attr("src"); ...
index Int32 index of the element to return Returns Object the element at the specified position in this list Implements Get(Int32) Attributes RegisterAttribute Remarks Returns the element at the specified position in this list. Java documentation for java.util.ArrayList.get(int). Portions of...
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