The simplest way to get the index of a list element is to use the index() method. To use theindex()method, you just need to pass the element as an argument. Definition and Usage:Thelist.index(value)method returns the index of thevalueargument in thelist. You can use optionalstartands...
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TheArrayList.get(int index)method returns the element at the specified position'index'in the list. 1.1. Syntax publicObjectget(intindex); 1.2. Method Parameter index– index of the element to return.A valid index is always between0 (inclusive)to thesize of ArrayList (exclusive). For example,...
Get First Element From the List in Java We can use the methodget()to get a specific element from a list. In this method, we need to provide the index of the specific element. Let’s have an example. We will extract the first element from the list, and to get it, we need to fol...
1.ArrayList.indexOf()API TheindexOf()returns the index of the first occurrence of the specified element in this list. It will return'-1'if the list does not contain the element. publicintindexOf(Objecto); TheindexOf()takes only a single argumentobjectwhich needs to be searched in the ...
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What causes the “List Index Out of Range” error? As Python uses zero-based indexing, when you try to access an element at an index less than 0 or greater than or equal to the list’s length, Python tells you via this error that the specified index is out of the permissible bounds...
Use theindex()Function to Find the First Index of an Element in a NumPy Array In this method, we will first convert the array to a list using thetolist()function. Then we will use theindex()function, which will return the position of the specified element. ...
To find the index of an element in an int array in Java, you can use the indexOf() method of the Arrays class. The indexOf() method returns the index of the first occurrence of the specified element in the array, or -1 if the element is not found. Here is an example of how ...
val element = "mm" val index = list1.lastIndexOf(element) print("The index of last occurrence of element is : $index") } Output The index of last occurrence of element is : -1 Conclusion In thisKotlin Tutorial, we learned how to get the index of last occurrence of specific element ...