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Java Examples - Remove an element
Problem Description
How to remove an element of array?
Solution
Following example shows how to remove an element from array.
import java.util.ArrayList; public class Main { public static void main(String[] args) { ArrayList objArray = new ArrayList(); objArray.clear(); objArray.add(0,"0th element"); objArray.add(1,"1st element"); objArray.add(2,"2nd element"); System.out.println("Array before removing an element"+objArray); objArray.remove(1); objArray.remove("0th element"); System.out.println("Array after removing an element"+objArray); } }
Result
The above code sample will produce the following result.
Array before removing an element[0th element, 1st element, 2nd element] Array after removing an element[2nd element]
Another sample example of Arrays Remove
import java.util.ArrayList; public class ArrayListDemo { public static void main(String[] args) { ArrayList<Integer> arr = new ArrayList<Integer>(5); arr.add(20); arr.add(15); arr.add(30); arr.add(45); System.out.println("Size of list: " + arr.size()); for (Integer number : arr) { System.out.println("Number = " + number); } arr.remove(2); System.out.println("Now, Size of list: " + arr.size()); for (Integer number : arr) { System.out.println("Number = " + number); } } }
The above code sample will produce the following result.
Size of list: 4 Number = 20 Number = 15 Number = 30 Number = 45 Now, Size of list: 3 Number = 20 Number = 15 Number = 45
java_arrays.htm
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