Arraylist Example in Java Example code for Java ArrayList
Array is Collection class in package java.util
You can put and get data from ArrayList with index
You can for loop , iterate data from ArrayList like Array
Example Code for Java ArrayList
package example.util;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.Vector;
public class ArrayListExample {
public void arrayListExample(){
//Create ArrayList Object
ArrayList<String> arrayList=new ArrayList<String>();
//Store and Remove data from ArrayList
arrayList.add("value1");
arrayList.add("value2");
arrayList.add("value3");
arrayList.add("value4");
arrayList.add("value5");
System.out.println("ArrayList Data befor "+arrayList);
String removeValue=arrayList.remove(2);
boolean remove1=arrayList.remove("value1");
boolean remove2=arrayList.remove("value3");
Vector<String> v=new Vector<String>();
v.add("value2");
boolean remove3=arrayList.removeAll(v);
System.out.println("Remove Value "+removeValue);
System.out.println("Remove1 "+remove1);
System.out.println("Remove2 "+remove2);
System.out.println("Remove3 "+remove3);
System.out.println("ArrayList Data after "+arrayList);
System.out.println("-- Example for Get Value from ArrayList --");
System.out.println("Get ArrayList value: "+arrayList.get(0));
System.out.println("Contains ArrayList: "+arrayList.contains("value1"));
System.out.println("Contains ArrayList: "+arrayList.contains("value3"));
System.out.println("-- Example for Iterate list from ArrayList --");
Iterator<String> it=arrayList.iterator();
while(it.hasNext()){
String value=it.next();
System.out.println("List Iterated Value: "+value);
}
System.out.println("-- Example for Loop from ArrayList --");
for (String temp:arrayList){
System.out.println("For value ArrayList "+temp);
}
}
public static void main (String args[]){
ArrayListExample arryList=new ArrayListExample();
arryList.arrayListExample();
}
}