23 lines
792 B
Java
23 lines
792 B
Java
|
// 11. write a java program to demonstrate ArrayList
|
||
|
|
import java.util.ArrayList;
|
||
|
|
public class exp11 {
|
||
|
|
public static void main(String[] args){
|
||
|
|
ArrayList<String> elementList = new ArrayList<>();
|
||
|
|
elementList.add("Hydrogen");
|
||
|
|
elementList.add("Helium");
|
||
|
|
elementList.add("Lithium");
|
||
|
|
|
||
|
|
System.out.println("Element at index 0: " + elementList.get(0));
|
||
|
|
System.out.println("Element at index 1: " + elementList.get(1));
|
||
|
|
System.out.println("Element at index 2: " + elementList.get(2));
|
||
|
|
|
||
|
|
elementList.remove("Nitrogen");
|
||
|
|
System.out.println("Periodic Table Elements: ");
|
||
|
|
for(String element: elementList) {
|
||
|
|
System.out.println(element);
|
||
|
|
}
|
||
|
|
|
||
|
|
elementList.remove(elementList.get(2));
|
||
|
|
System.out.println("Size of elementList after removal of Lithium is: " + elementList.size());
|
||
|
|
}
|
||
|
|
}
|