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    Vector Example Programs

    Uploaded by

    Cheril Renjit D R
    Vector is a dynamic array that can grow or shrink in size and store an unlimited number of elements. It is part of the Java Collection framework and found in the java.util package. Vectors can add and retrieve elements and check properties like size, capacity, and whether specific elements exist.

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    © All Rights Reserved
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    Vector Example Programs

    Uploaded by

    Cheril Renjit D R
    113 views2 pages
    Vector is a dynamic array that can grow or shrink in size and store an unlimited number of elements. It is part of the Java Collection framework and found in the java.util package. Vectors can add and retrieve elements and check properties like size, capacity, and whether specific elements exist.

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    Vector is a dynamic array that can grow or shrink in size and store an unlimited number of elements. It is part of the Java Collection framework and found in the java.util package. Vectors can add and retrieve elements and check properties like size, capacity, and whether specific elements exist.

    Copyright:

    © All Rights Reserved
    Download as DOCX, PDF, TXT or read online from Scribd
    Download as docx, pdf, or txt
    113 views2 pages

    Vector Example Programs

    Uploaded by

    Cheril Renjit D R
    Vector is a dynamic array that can grow or shrink in size and store an unlimited number of elements. It is part of the Java Collection framework and found in the java.util package. Vectors can add and retrieve elements and check properties like size, capacity, and whether specific elements exist.

    Copyright:

    © All Rights Reserved
    Download as DOCX, PDF, TXT or read online from Scribd
    Download as docx, pdf, or txt
    of 2

    Java Vector

    Vector is like the dynamic array which can grow or shrink its size. Unlike
    array, we can store n-number of elements in it as there is no size limit. It
    is a part of Java Collection framework since Java 1.2. It is found in
    the java.util package.

    Java Vector Example


    1. import java.util.*;  
    2. public class VectorExample {  
    3.        public static void main(String args[]) {  
    4.           //Create a vector  
    5.           Vector<String> vec = new Vector<String>();  
    6.           //Adding elements using add() method of List  
    7.           vec.add("Tiger");  
    8.           vec.add("Lion");  
    9.           vec.add("Dog");  
    10.           vec.add("Elephant");  
    11.           //Adding elements using addElement() method of Vector  
    12.           vec.addElement("Rat");  
    13.           vec.addElement("Cat");  
    14.           vec.addElement("Deer");  
    15.             
    16.           System.out.println("Elements are: "+vec);  
    17.        }  
    18. }  

    Output:

    Elements are: [Tiger, Lion, Dog, Elephant, Rat, Cat, Deer]

    Java Vector Example 2


    1. import java.util.*;  
    2. public class VectorExample1 {  
    3.        public static void main(String args[]) {  
    4.           //Create an empty vector with initial capacity 4  
    5.           Vector<String> vec = new Vector<String>(4);  
    6.           //Adding elements to a vector  
    7.           vec.add("Tiger");  
    8.           vec.add("Lion");  
    9.           vec.add("Dog");  
    10.           vec.add("Elephant");  
    11.           //Check size and capacity  
    12.           System.out.println("Size is: "+vec.size());  
    13.           System.out.println("Default capacity is: "+vec.capacity());  
    14.           //Display Vector elements  
    15.           System.out.println("Vector element is: "+vec);  
    16.           vec.addElement("Rat");  
    17.           vec.addElement("Cat");  
    18.           vec.addElement("Deer");  
    19.           //Again check size and capacity after two insertions  
    20.           System.out.println("Size after addition: "+vec.size());  
    21.           System.out.println("Capacity after addition is: "+vec.capacity());  
    22.           //Display Vector elements again  
    23.           System.out.println("Elements are: "+vec);  
    24.           //Checking if Tiger is present or not in this vector         
    25.             if(vec.contains("Tiger"))  
    26.             {  
    27.         System.out.println("Tiger is present at the index " +vec.indexOf("Tig
    er"));  
    28.             }  
    29.             else  
    30.             {  
    31.                System.out.println("Tiger is not present in the list.");  
    32.             }  
    33.             //Get the first element  
    34.       System.out.println("The first animal of the vector is = "+vec.firstElem
    ent());   
    35.           //Get the last element  
    36.        System.out.println("The last animal of the vector is = "+vec.lastElem
    ent());   
    37.        }  
    38. }  

    Output:

    Size is: 4
    Default capacity is: 4
    Vector element is: [Tiger, Lion, Dog, Elephant]
    Size after addition: 7
    Capacity after addition is: 8
    Elements are: [Tiger, Lion, Dog, Elephant, Rat, Cat, Deer]
    Tiger is present at the index 0
    The first animal of the vector is = Tiger
    The last animal of the vector is = Deer

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