Java Vector removeElementAt() Method24 Mar 2025 | 2 min read The removeElementAt() method of Java Vector class is used to delete the component at the specified index. Each element in this vector with an index greater or equal to the given index is shifted downward. Now the vector index is one smaller than the value it had previously. SyntaxFollowing is the declaration of removeElementAt() method: Parameter
ReturnThis method does not return anything. It only removed the element from the vector. ExceptionsIndexOutOfBoundsException- This method has thrown an exception if the index of an array is out of range i.e. (index < 0 || index >= size()). Compatibility VersionJava 1.2 and above Example 1Output: Vector element before removal: [1, 2, 3, 4, 5, 6] Vector element after removal: [1, 2, 3, 4, 5] Example 2Output: The elements of a vector before removal: [Rahul, Karan, Rahul, Rohan] The elements of a vector after removal: [Rahul, Karan, Rohan] Example 3Output: Exception in thread "main" java.lang.ArrayIndexOutOfBoundsException: 50 >= 3 at java.base/java.util.Vector.removeElementAt(Vector.java:579) at myPackage.VectorRemoveElementAtExample3.main(VectorRemoveElementAtExample3.java:12) Next TopicJava Vector |
Java Method The toString() method of Java Vector class is used to get a string representation of the vector. It contains the string representation of each element. Syntax Following is the declaration of toString() method: public String toString() Parameter This method does not accept any parameter. Return The toString() method returns a...
2 min read
Java Method The retainAll() method of Java Vector class is used to retain only that elements in the vector which are contained in the specified collection. In other words, it removes all elements from this vector that are not contained in the specified collection. Syntax Following is...
3 min read
Java Method The containsAll() method of Java Vector class is used to check the vector which is in use contains all of the elements in the specified Collection or not. It returns true if this vector contains all of the elements in the Collection, otherwise...
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Java Method The lastIndexOf() Java Vector class method is used to get the index of the last occurrence of the specified element in the vector. There are two different types of Java lastIndexOf() method which can be differentiated depending on its parameter. These are: Java Vector...
3 min read
Java Method The remove() Java Vector class method is used to remove the specified element from the vector. There are two different types of Java remove() method which can be differentiated depending on its parameter. These are: Java Vector remove(int index) Method Java Vector remove(Object o) Method remove(int...
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Java Method The addAll() Java Vector class method inserts all of the elements in the specified collection to the end of the vector which is in use. The order of the elements will be the same as they are returned by the specified collection's iterator....
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Java Method The hashCode() method of Java Vector class is used to get the hashcode value for the vector which is in use. Syntax: Following is the declaration of hashCode() method: public int hashCode() Parameter: This method does not accept any parameter. Returns: The hashCode() method returns the hash code value for...
2 min read
Java Method The ensureCapacity() method of Java Vector class is used to increase the capacity of the vector which is in use, if necessary. It ensures that the vector can hold at least the number of components specified by the minimum capacity argument. Syntax: Following is the...
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Java Method The toArray() Java Vector class method is used to get an array containing all of the elements in this vector in the correct order. There is two different types of Java toArray() method which can be differentiated depending on its parameter. These are: Java...
3 min read
Java Method The add() is a Java Vector class method which is used to insert the specified element in the given Vector. There are two different types of Java add() method which can be differentiated depending on its parameter. These are: Java Vector add(int index, E...
3 min read
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