Forum: Collections

Java SE Collections like List, Set, Map and Properties related questions can be posted here

30 Nov, 2018 06:18
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Ashish1997

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collection

How does Work Internally Hashmap explain with the example More

Last edited by Ashish1997: 4 Dec, 2018 15:20
Replies: 2 | Views: 286
Go through the below link and put comments if any doubts.
4 Dec, 2018 15:20
28 Apr, 2015 04:00
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arvind208

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what is difference b/w bean inheritance and collection merging?

what is difference b/w bean inheritance and collection merging? More

Last edited by arvind208: 13 Nov, 2018 09:24
Replies: 20 | Views: 2038
Bean Inheritance: Getting the Parent bean all properties and behaviours to child bea...
13 Nov, 2018 09:24
4 Nov, 2018 14:50
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VARYAN

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working with Hashmap

how Hashmap internally works? More

Last edited by VARYAN: 5 Nov, 2018 12:45
Replies: 1 | Views: 284
HashMap stores the data in the form of key-value pairs. Each key-value pa...
5 Nov, 2018 12:45
28 Sep, 2018 19:17
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satya1995

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Answer Icon hashMap vs hashTable

What are the major difference between HashMap and HashTable? More

Last edited by satya1995: 26 Oct, 2018 16:27
Replies: 1 | Views: 338
Hashtable does not allow null keys<...
26 Oct, 2018 11:13
8 Sep, 2017 15:17
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Ashok1207

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Sorting of list

 How we can sort list by multiple attributes?. Ex:list of ... More

Last edited by Ashok1207: 29 Sep, 2018 18:39
Replies: 1 | Views: 851
Hope this example will help you ? public class Em...
29 Sep, 2018 18:39
30 Apr, 2018 01:00
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Hrudanand J.

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Why Map interface doesn?t extend Collection interface?

Why Map interface doesn?t extend Collection inte... More

Last edited by Hrudanand J.: 26 Jun, 2018 21:36
Replies: 1 | Views: 710
Let me explain... While working with Java everyone knows interface concept that if a cl...
26 Jun, 2018 21:36
6 Apr, 2018 17:37
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venky2662

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Answer Icon Why collection does not extend cloneable and serializable interface ?

Why collection does not extend cloneable and serializable interface ?&... More

Last edited by venky2662: 24 Jun, 2018 20:50
Replies: 2 | Views: 692
Collection is defined as a group of object, and we use serializable interface to mark an o...
24 Jun, 2018 11:03