Example usage for java.util ArrayList add

Introduction

In this page you can find the example usage for java.util ArrayList add.

Prototype

public boolean add(E e)

Source Link

Document

Appends the specified element to the end of this list.

Usage

From source file:Main.java

public static void main(String[] args) {
    ArrayList<String> aList = new ArrayList<String>();

    aList.add("1");
    aList.add("2");
    aList.add("3");
    aList.add("4");
    aList.add("java2s.com");

    ListIterator<String> listIterator = aList.listIterator();
    System.out.println("Previous: " + listIterator.previousIndex());
    System.out.println("Next: " + listIterator.nextIndex());

    // advance current position by one using next method
    listIterator.next();/*  ww  w  .  j ava 2s.c o  m*/
    System.out.println("Previous: " + listIterator.previousIndex());
    System.out.println("Next: " + listIterator.nextIndex());
}

From source file:Main.java

public static void main(String[] args) {
    ArrayList<Integer> arrlist = new ArrayList<Integer>(5);

    arrlist.add(15);
    arrlist.add(22);/*from   w  w w  .  j a v a 2  s  .  c  om*/
    arrlist.add(30);
    arrlist.add(40);

    System.out.println(arrlist);

    // retrieves element at 4th postion

    int retval = arrlist.get(3);

    System.out.println("Retrieved element is = " + retval);
}

From source file:Main.java

public static void main(String args[]) {
    ArrayList<Integer> arrlist = new ArrayList<Integer>();

    arrlist.add(1);
    arrlist.add(2);//from   w  w  w . ja va 2s.co  m
    arrlist.add(3);
    arrlist.add(4);
    arrlist.add(5);

    Iterator<Integer> iterator = arrlist.iterator();
    while (iterator.hasNext()) {
        Integer i = iterator.next();
        System.out.println(i);
    }

}

From source file:Main.java

public static void main(String[] args) {
    ArrayList<String> aList = new ArrayList<String>();

    aList.add("1");
    aList.add("2");
    aList.add("3");
    aList.add("4");
    aList.add("5");

    ListIterator<String> listIterator = aList.listIterator();
    System.out.println("Previous: " + listIterator.previousIndex());
    System.out.println("Next: " + listIterator.nextIndex());

    // advance current position by one using next method
    listIterator.next();//from   w ww.j  a  v a  2s .co  m
    System.out.println("Previous: " + listIterator.previousIndex());
    System.out.println("Next: " + listIterator.nextIndex());
}

From source file:Main.java

public static void main(String[] args) {

    ArrayList<Integer> arrlist = new ArrayList<Integer>(5);

    arrlist.add(1);
    arrlist.add(2);/*  www.j a  v a2s.c  o  m*/
    arrlist.add(2);
    arrlist.add(2);

    System.out.println(arrlist);

    // change element to 55 at 3rd position
    arrlist.set(2, 55);

    System.out.println(arrlist);
}

From source file:Main.java

public static void main(String[] args) {

    ArrayList<Integer> arrlist = new ArrayList<Integer>();

    arrlist.add(10);
    arrlist.add(12);//from  w  w  w.ja va  2s.  com
    arrlist.add(31);
    arrlist.add(49);

    // toArray copies content into other array
    Integer myArray[] = new Integer[arrlist.size()];
    myArray = arrlist.toArray(myArray);

    System.out.println(Arrays.toString(myArray));

}

From source file:Main.java

public static void main(String args[]) {
    ArrayList<Integer> arrlist = new ArrayList<Integer>(5);

    arrlist.add(1);
    arrlist.add(2);//from w ww  .  j  av a  2 s.com
    arrlist.add(3);
    arrlist.add(4);
    arrlist.add(5);

    System.out.println(arrlist);

    List<Integer> arrlist2 = arrlist.subList(2, 4);

    System.out.println(arrlist2);

}

From source file:Main.java

public static void main(String[] args) {
    Vector<String> v = new Vector<String>();
    v.add("1");/*  w ww .  java 2 s  .  c o m*/
    v.add("2");
    v.add("3");

    ArrayList<String> arrayList = new ArrayList<String>();
    arrayList.add("4");
    arrayList.add("5");

    v.addAll(arrayList);

    for (int i = 0; i < v.size(); i++) {
        System.out.println(v.get(i));
    }
}

From source file:Main.java

public static void main(String[] args) {
    ArrayList<String> arrayList = new ArrayList<String>();

    arrayList.add("A");
    arrayList.add("B");
    arrayList.add("A");
    arrayList.add("C");
    arrayList.add("D");

    System.out.println(arrayList);

    Collections.replaceAll(arrayList, "A", "Replace All");

    System.out.println(arrayList);
}

From source file:Main.java

public static void main(String[] args) {

    ArrayList<String> arrlist = new ArrayList<String>(5);

    arrlist.add("G");
    arrlist.add("E");
    arrlist.add("F");
    arrlist.add("M");
    arrlist.add("from java2s.com");

    System.out.println("Size of list: " + arrlist.size());

    System.out.println(arrlist);/*from ww  w . ja  va  2 s . co  m*/

    // retrieving the index of element "E"
    int retval = arrlist.indexOf("E");
    System.out.println("The element E is at index " + retval);
}