select a random element from a list java
Random randomizer = new Random();
String random = list.get(randomizer.nextInt(list.size()));select a random element from a list java
Random randomizer = new Random();
String random = list.get(randomizer.nextInt(list.size()));how to get random element from list in java
// Import all the libraries
import javax.swing.*;
import java.util.ArrayList;
import java.util.List;
import java.util.Random;
// Declare the Class
public class Hello
{
// Declare the Main Function
public static void main(String[] args)
{
// Declare a List (Be sure to include java.util.ArrayList; and java.util.List;)
List<String> l = new ArrayList<>();
l.add("Quote of the Day \r\nIf you find it in your heart to care for somebody else, you will have succeeded. \r\nReopen the program for another quote.");
l.add("Love Quote of the Day \r\nIf there's delight in love, 'Tis when I see that heart, which others bleed for, bleed for me. \r\nReopen the program for another quote.");
l.add("Art Quote of the Day \r\nArt is the stored honey of the human soul, gathered on wings of misery and travail. \r\nReopen the program for another quote.");
l.add("Nature Quote of the Day \r\nThe earth has received the embrace of the sun and we shall see the results of that love. \r\nReopen the program for another quote.");
l.add("Funny Quote Of the Day \r\nThe first condition of understanding a foreign country is to smell it. \r\nReopen the program for another quote.");
l.add("Quote of the Day \r\nAnger cannot be dishonest. \r\nReopen the program for another quote.");
l.add("Love Quote of the Day \r\nLove is when he gives you a piece of your soul, that you never knew was missing. \r\nReopen the program for another quote.");
l.add("Art Quote of the Day \r\nIt is only an auctioneer who can equally and impartially admire all schools of art. \r\nReopen the program for another quote.");
l.add("Nature Quote of the Day \r\nNature reserves the right to inflict upon her children the most terrifying jests. \r\nReopen the program for another quote.");
l.add("Funny Quote Of the Day \r\nMarriage is not just spiritual communion, it is also remembering to take out the trash. \r\nReopen the program for another quote.");
// Object name should be same as class
Hello obj = new Hello();
// Display the input dialog box from JOptionPane
String inputValue = JOptionPane.showInputDialog("Please enter your name: ");
// Declare Random object (Be sure to include java.util.Random;)
Random rand = new Random();
// Get Random Index from the List
int randomIndex = rand.nextInt(l.size());
// Get the element on the random index in the list
String randomElement = l.get(randomIndex);
//Display the output dialog box from JOptionPane to display the random element
JOptionPane.showMessageDialog(null, randomElement + "\r\n\r\nHave a nice day " + inputValue + "!");
}
}get n random elements from list java
List<Foo> list = createItSomehow();
Collections.shuffle(list);
Foo foo = list.get(0);Copyright © 2021 Codeinu
Forgot your account's password or having trouble logging into your Account? Don't worry, we'll help you to get back your account. Enter your email address and we'll send you a recovery link to reset your password. If you are experiencing problems resetting your password contact us
