Advertisements I want to search for an index of the element in the ArrayList but I want to start searching from starting index different than 0. I tried like this: import java.util.*; public class Test{ public static void main(String[] args) { ArrayList<String> bricks = new ArrayList<String>(List.of("BBBB","CCCC","DDDD")); System.out.println(bricks.subList(1, bricks.size()).indexOf("CCCC")); } } Output: 0 Expected output: 1… Read More How to find an index of the ArrayList from the starting index in Java?

Advertisements I have a series of title elements with text in them and a text input. When I put a string into the text input I want to highlight (wrapp in <span> with a class) the responding character(s) within the title elements. For example, if the text input contains the word "world" then I want… Read More JQuery: how to wrap given section of text in a span?

Advertisements Setting initial array values (no issue): import java.util.ArrayList; public class arraylists { public static void main (String[] args) { ArrayList<Integer> numbers = new ArrayList<Integer>(); numbers.add(3); numbers.add(1); numbers.add(4); numbers.add(2); System.out.println(numbers.toString()); } } Console output: [3, 1, 4, 2] Trying forEach addition (no issue): numbers.forEach(number -> { numbers.set(numbers.indexOf(number), number + 10); }); System.out.println(numbers.toString()); Console output: [13,… Read More Unexpected behavior of Java ArrayList.set() method with multiplication in forEach loop

Advertisements I’m having trouble trying to find a substring within a string. This isn’t a simple substring match using indexOf or match() or test() or includes(). I’ve tried using these but to no avail. I have a bunch of strings inside an array, and then either need to use filter() method or the some() method… Read More How do I find an exact substring match in an array in JavaScript?