How to iterate Linkedhashmap in Java
LinkedHashMap: Values will be stored as key value pair as like in HashMap. Order of iteration is same as order […]
» Read moreTag: collections
Difference between Hashmap and Linkedhashmap in Java
HashMap and LinkedHashMap: HashMap: Order will not be guaranteed. Allows one null key and many null values. It will not […]
» Read moreArray vs Arraylist java
Array vs ArrayList java: Array: 1. Size must be defined during initialization itself. 2. Size can not be resized once […]
» Read moreArray of ArrayList in Java example
Array of ArrayList: Array of ArrayList has to be typecasted first. ArrayList array has to be initialized first with ArrayList. […]
» Read more[Clearly explained] int Vs Integer
int(primitive data type) and Integer (wrapper class object): 1. It is not possible to assign null (no value) to int. […]
» Read moreList Inside List Iteration in Java
List: Usually we can iterate a list using iterator or foreach loop. Here we are first iterating the mainlist which […]
» Read moreArraylist iteration in java
Arraylist: Arraylist is used to hold any number of elements. Program: [java] package com.ngdeveloper.com; import java.util.ArrayList; import java.util.Iterator; public class […]
» Read moreDifference between ArrayList and Collection
Collection: Collection col = new ArrayList(); Iterator col_iter = col.iterator(); You will not able to get the arraylist value by […]
» Read moreSorting Month in Java with Set
Program: [java]package agn; import java.util.Date; import java.text.DateFormat; import java.text.ParseException; import java.text.SimpleDateFormat; import java.util.HashMap; import java.util.HashSet; import java.util.Iterator; import java.util.Map; import […]
» Read moreMonth Sorting in Java using HashMap
Program: [java]package agn; import java.util.Date; import java.text.DateFormat; import java.text.ParseException; import java.text.SimpleDateFormat; import java.util.HashMap; import java.util.Map; import java.util.TreeMap; public class Sorting […]
» Read more