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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 21:10:02
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 2021-09-09 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 -
Java 2021-09-06 04:36:02
Java program to sort names in an alphabetical order
// java sort string characters alphabetically import java.util.Arrays; public class CharactersAlphabetically { public static void main(String[] args) { String strInput = "flowerbrackets"; // converting string to char array ... Add solution -
Java 2021-09-03 20:53:01
java overload
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
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