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