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HashMap with Looping

Raj
23rd Sep 2018
0
18169
how to iterate hashmap elements in java how to loop through elements in hashmap in java how to use enhanced for loop with hashmap in java Iterating HashMap iterator with hashmap in java using entryset with hashmap in java

We can iterate hashmap using enhanced for loop with keyset() method or by using enhanced for loop with EntrySet() method or by using iterator Case 1 : Enhanced for loop with keyset() Example import java.util.*; public class HashMapEnhancedForLoopExample { public static void main(String args[]) { HashMap<Integer, String> hashMap = new HashMap<Integer, String>(); […]

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Retrieve HashMap elements

Raj
23rd Sep 2018
0
10966
how to access hashmap elements in java how to get all the keys from hashmap in java how to get all the values from hashmap in java how to get value for a specific key from hashmap in java how to retrieve elements from hashmap in java Retrieve HashMap elements

We know that HashMap is a key-value pair based data structure. Sometimes, we need to retrieve all the keys of HashMap Sometimes we need to retrieve value for the specified key from the HashMap Sometimes we need to retrieve all the values from a HashMap Let’s see how we can achieve all these retrievals Case1: […]

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HashMap with Looping

Retrieve HashMap elements