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Vector code example4/30/2023 ![]() Returns the hash code value for this Vector. Returns the element at the specified position in this Vector. Performs the given action for each element of the Iterable until all elements have been processed or the action throws an exception. Returns the first component (the item at index 0) of this vector. Increases the capacity of this vector, if necessary, to ensure that it can hold at least the number of components specified by the minimum capacity argument.Ĭompares the specified Object with this Vector for equality. Returns an enumeration of the components of this vector. Returns the component at the specified index. Returns true if this Vector contains all of the elements in the specified Collection.Ĭopies the components of this vector into the specified array. Returns true if this vector contains the specified element. Removes all of the elements from this Vector. Returns the current capacity of this vector. Insert all of the elements in the specified Collection into this Vector at the specified position.Īdds the specified component to the end of this vector, increasing its size by one. Inserts the specified element at the specified position in this Vector.Īppends all of the elements in the specified Collection to the end of this Vector, in the order that they are returned by the specified Collection’s Iterator. Vector v = new Vector(Collection c) Methods in Vector ClassĪppends the specified element to the end of this Vector. Vector(Collection c): Creates a vector that contains the elements of collection c. Vector v = new Vector(int size, int incr) Ĥ. It specifies the number of elements to allocate each time a vector is resized upward. Vector(int size, int incr): Creates a vector whose initial capacity is specified by size and increment is specified by incr. ![]() Vector(int size): Creates a vector whose initial capacity is specified by size. Vector(): Creates a default vector of the initial capacity is 10. If the specified collection is null, It throws NullPointerException.ġ.Vector throws an IllegalArgumentException if the InitialSize of the vector defined is negative.Object elementData: Array that holds the vector is stored in it.Ĭommon Errors in the declaration of Vectors are as follows :.int elementCount: Number of elements currently in vector stored in it.int capacityIncreament: Contains the increment value.Vector defines three protected data members: ![]() Still, if the increment is not specified, then the vector’s capacity gets doubled in each allocation cycle. If the increment is specified, Vector will expand according to it in each allocation cycle. Important points regarding the Increment of vector capacity are as follows: It implements Serializable, Cloneable, Iterable, Collection, List, RandomAccess interfaces.It extends AbstractList and implements List interfaces.ISRO CS Syllabus for Scientist/Engineer Exam.ISRO CS Original Papers and Official Keys.GATE CS Original Papers and Official Keys.
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