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Java 2022-03-03 23:25:02
how to check if an arraylist contains a value in java recursion
public static boolean contains(ArrayList<Integer> list, int value) { return contains(list, value, 0); } private static boolean contains(ArrayList<Integer> list, int value, int idx) { boolean hasInt = false; if... Add solution -
Java 2022-01-27 18:05:23
java code to get all leaf nodes of a xml file
try { final Document doc = DocumentBuilderFactory.newInstance().newDocumentBuilder().parse("input.xml"); final XPathExpression xpath = XPathFactory.newInstance().newXPath().compile("//*[count(./*) = 0]"); final NodeList nodeList ... Add solution -
Java 2022-01-23 07:46:50
java 8 function supplier consumer
@Testpublic void whenNamesPresentUseBothConsumer(){ List<String> cities = Arrays.asList("Sydney", "Dhaka", "New York", "London"); Consumer<List<String>> upperCaseConsumer = list -> {... Add solution -
Java 2021-11-21 21:20:11
how to put array in array list stack overflow
// Declare it List<Integer>[] array = new List<Integer>[5]; // Put something into an array element array[3] = new ArrayList<Integer>(); // Access an element -- it's a List List<Integer> list = array[3]; Integer x = list.g... Add solution -
Java 2021-11-21 12:54:17
how to select a element in an arraylist java
import java.util.ArrayList; import java.util.Arrays; public class ArrayListExample { public static void main(String[] args) { ArrayList<String> ... Add solution