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Java 2021-09-13 17:53:03
java generic type method
// generic methods public <T> List<T> fromArrayToList(T[] a) { return Arrays.stream(a).collect(Collectors.toList()); } public static <T, G> List<G> fromArrayToList(T[] a, Function<T, G> mapperFunction) { retur... Add solution -
Java 2021-09-12 10:31:04
map multiple fields from java stream
private static <T> Predicate<T> distinctByKeys(Function<? super T, ?>... keyExtractors) { final Map<List<?>, Boolean> seen = new ConcurrentHashMap<>(); return t -> &... Add solution -
Java 2021-09-10 21:33:02
string array to arraylist
new ArrayList<>(Arrays.asList(array)); Add solution -
Java 2021-09-10 21:10:02
how to find two strings are anagrams in java
import java.util.Arrays; public class AnagramString { static void isAnagram(String str1, String str2) { String s1 = str1.replaceAll("\\s", ""); String s2 = str2.replaceAll("\\s", "");... Add solution -
Other 2021-09-10 05:41:02
enum multiple values
public enum Language{ English("english", "eng", "en", "en_GB", "en_US"), German("german", "de", "ge"), Croatian("croatian", "hr", "cro&quo... Add solution -
Other 2021-09-09 15:55:03
what is method overloading
Overloading mean same method name and different parameter, it can happen in same class. it's a feature that allows us to have more than one method with same name. Example: sort method of Arrays class Arrays.sort(int[] arr) Arrays.sort(String[] arr) ...... Add solution