Recent questions tagged java-collections

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2 answers

How to make a new List in Java?

Dec 28, 2020 in Java by anonymous
 • 8,880 points • 70 views
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1 answer

What are the differences between a HashMap and a Hashtable in Java?

Dec 21, 2020 in Java by Rajiv
 • 8,880 points • 138 views
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Can anyone show how to implement SortByValue in Tree Map for Java ?

Dec 10, 2018 in Java by Rishabh
 • 3,640 points • 201 views
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How do I implement a HttpURLConnection using a Proxy ?

Dec 10, 2018 in Java by Rishabh
 • 3,640 points • 4,794 views
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1 answer

Enums be subclassed to add new elements?

Aug 28, 2018 in Java by samarth295
 • 2,220 points • 111 views
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1 answer

Sort a HashMap in Java

Jul 12, 2018 in Java by samarth295
 • 2,220 points • 198 views
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1 answer

A Java collection of value pairs? (tuples?)

Jul 2, 2018 in Java by Sushmita
 • 6,900 points • 1,596 views
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ThreadLocal variables usage in Java

Jun 29, 2018 in Java by misc.edu04
 • 1,440 points • 175 views
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1 answer

Remove objects from an array in Java?

Jun 26, 2018 in Java by Daisy
 • 8,110 points • 305 views
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1 answer

using comparator for sorting in java

Jun 5, 2018 in Java by sharth
 • 3,350 points • 209 views
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1 answer

How to clone ArrayList and also clone its contents?

Jun 4, 2018 in Java by sharth
 • 3,350 points • 134 views
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1 answer

The best way to filter a Java Collection?

May 28, 2018 in Java by sharth
 • 3,350 points • 253 views
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1 answer

Use of Static Keyword in a Class

May 28, 2018 in Java by developer_1
 • 3,310 points • 184 views
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2 answers

How do I use a Priority Queue

May 18, 2018 in Java by Parth
 • 4,630 points • 212 views
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1 answer

Convert comma-separated String to ArrayList?

May 17, 2018 in Java by Parth
 • 4,630 points • 1,488 views
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1 answer

How can I get Key from their respective Values

May 16, 2018 in Java by sharth
 • 3,350 points • 144 views
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How can I sort values of a Map in Java using its key

May 16, 2018 in Java by sharth
 • 3,350 points • 210 views
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1 answer

How do I join 2 lists

May 10, 2018 in Java by Daisy
 • 8,110 points • 106 views
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2 answers

When to use LinkedList and ArrayList in Java?

May 9, 2018 in Java by Parth
 • 4,630 points • 337 views
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2 answers

Understand working of String Builder and String Buffer

May 9, 2018 in Java by Parth
 • 4,630 points • 415 views
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1 answer

Implement Tree(Datastructure) in Java

May 8, 2018 in Java by Daisy
 • 8,110 points • 698 views
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1 answer

Sorting an ArrayList in Java

May 4, 2018 in Java by anto.trigg4
 • 3,440 points • 705 views
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1 answer

Reflection: Explanation and Uses

May 2, 2018 in Java by Parth
 • 4,630 points • 155 views
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1 answer

what are the ways in which a list can be iterated

Apr 23, 2018 in Java by developer_1
 • 3,310 points • 279 views
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1 answer

How can I Sort an ArrayList in Java

Apr 23, 2018 in Java by developer_1
 • 3,310 points • 278 views
0 votes
2 answers

Performing Iteration over each entry in a 'Map'

Apr 17, 2018 in Java by Parth
 • 4,630 points • 226 views
0 votes
2 answers

Ho do I Iterate through a HashMap which contains duplicate values

Apr 16, 2018 in Java by Daisy
 • 8,110 points • 1,646 views

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