GeezerVison is showing github.com — Java/Programs/list_1.java at main · arshcoder13/Java

Expand file tree

list_1.java

Copy path

More file actions

Latest commit

History

45 lines (39 loc) · 1.22 KB

list_1.java

Copy path

File metadata and controls

45 lines (39 loc) · 1.22 KB

Raw

Copy raw file

Download raw file

Open symbols panel

Edit and raw actions

import java.util.ArrayList;

import java.util.Iterator;

import java.util.LinkedList;

import java.util.List;

// HW -

// WAP a Java program which will create a list of int, string and decimal numbers using arraylist and linkedlists

public class list_1 {

public static void main(String[] args) {

// TODO Auto-generated method stub

// Array list for strings -

List<String> listStrings = new ArrayList<String>();

listStrings.add("One");

listStrings.add("Two");

listStrings.add("Three");

listStrings.add("Four");

System.out.println(listStrings);

System.out.println(listStrings.get(1));

listStrings.set(3, "Using set method!");

System.out.println(listStrings);

// Array list for integers -

List<Integer> listIntegers = new ArrayList<Integer>();

listIntegers.add(1);

listIntegers.add(2);

listIntegers.add(3);

listIntegers.add(4);

System.out.println(listIntegers);

// Iterating over a list -

Iterator<Integer> iter = listIntegers.iterator();

while (iter.hasNext()) {

System.out.println(iter.next());

}

// Linked List for numbers -

LinkedList<Number> numbers = new LinkedList<Number>();

numbers.add(10);

numbers.add(10.32);

numbers.add(45.3333333);

System.out.println(numbers);

}