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Java 2022-02-02 18:36:57
arrayList sans doubles
import java.util.ArrayList; import java.util.Set; import java.util.List; import java.util.HashSet; public class Doublon { public static void main(String[] argv) { // Créer un objet ArrayList List<String> array... Add solution -
Java 2022-02-01 03:46:25
convert hashset to int java
import java.util.HashSet; import java.util.Set; public class SetExample { public static void main(String args[]) { //Instantiating the HashSet Set<Integer> hashSet = new HashSet<Integer>()... Add solution -
TypeScript 2021-10-24 04:50:20
how to check how many elements in a set java
import java.util.Arrays; import java.util.HashSet; import java.util.Set; /* check a set size by set.size() */ public class MainClass { public static void main(String[] a) { String elements[] = { "A", "B", "C", "D&... Add solution -
Java 2021-10-11 12:15:02
convert hashset to int array java
import java.util.Arrays; import java.util.Set; import java.util.HashSet; class Main { // Program to convert set of integer to array of int in Java public static void main(String args[]) &nb... Add solution -
Java 2021-09-27 13:13:06
java 8 stream group by example
package com.mkyong.java8; import java.math.BigDecimal; import java.util.Arrays; import java.util.List; import java.util.Map; import java.util.Set; import java.util.stream.Collectors; public class Java8Examples4 { public static void main(String[] ar... Add solution -
Java 2021-09-09 09:47:02
how to calculate min, max and average and write the output into into a text file in java
package TrialPrograms; import java.io.BufferedReader; import java.io.BufferedWriter; import java.io.File; import java.io.FileInputStream; import java.io.FileNotFoundException; import java.io.FileOutputStream; import java.io.IOException; import java.io.In... Add solution -
Java 2021-09-09 02:23:02
group by String java 8
package com.mkyong.java8; import java.math.BigDecimal; import java.util.Arrays; import java.util.List; import java.util.Map; import java.util.Set; import java.util.stream.Collectors; public class Java8Examples4 { public static void main(String[] ar... Add solution -
TypeScript 2021-09-05 15:19:02
how to get all the elements in Hashtable java
// Using hashtable.keySet() package com.java2novice.hashtable; import java.util.Hashtable; import java.util.Set; public class MyHashtableKeys { public static void main(String a[]){ Hashtable<String, String> hm = new Hashtable<S... Add solution