Flipkart Interview Question for Software Engineer / Developers






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1
of 1 vote

priority Queue

- V September 08, 2010 | Flag Reply
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0
of 0 vote

Check out LinkedHashMap and LinkedHashMap.removeEldestEntry()

One just needs to override this method and specify the condition @ which every put or putAll will remove the oldest entry.

- Anonymous June 29, 2010 | Flag Reply
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0
of 0 vote

Yes LinkedHashMap in Java is the right choice

- erappy July 01, 2010 | Flag Reply
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0
of 0 vote

Use

//last param true to indicate access order behaviour
Map lruCache = new LinkedHashMap(100, .75, true){
private static final int MAX_ENTRIES = 100;

protected boolean removeEldestEntry(Map.Entry eldest) {
return size() > MAX_ENTRIES;
}
}

- iamnotiam April 16, 2011 | Flag Reply
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0
of 0 vote

In case somebody asks for a java independent implementation then create your own LinkedHashMap with similar functionality as given in the JDK..

whenever an element is touched through put putAll or get remove it from the linkedlist and insert at the front..

- iamnotiam April 16, 2011 | Flag Reply


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