How to do an inverted heap implementation in JAVA?

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java - Implementation of Heap Sort - Code Review Stack ...

Is this the correct implementation of Heap Sort using Java? How can it be improved further? import java.util.Arrays; ... Heap implementation using pointer. 2

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Why is there no Fibonacci heap implementation in the Standard Java API?

Given the fact that Fibonacci heap provides better performance than PriorityQueue (http://en.wikipedia.org/wiki/Fib...), why is there no Fibonacci class in Standard Java API ?

Answer:

Fibonacci heaps are asymptotically faster than binary and binomial heaps, but this does not necessarily...

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Tim Wilson at Quora Mark as irrelevant Undo

Java socket and memory issues: I am writing a client/server that need to send data and images.?

I am writing a program that needs to track where the server user's mouse is on the screen and send that information back to the client. I also need the client to be able to send an image to the server for display. What is the best way to do this? Currently...

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Two abstract classes shape the architecture of the java.io package: InputStream and OutputStream. These...

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C H at Yahoo! Answers Mark as irrelevant Undo

Help with integer-based heap (Java, data structures)?

Hey, I got a little homework from my class, and I missed a few days and I am now behind. I cannot find a tutorial anywhere online that can help me. I was wondering if anyone could answer this for me and walk me through it? "We are building an integer...

Answer:

First in, is last out.

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How do you increase your Java jvm heap size in ColdFusion 8?

I am trying to increase my java heap size because I am getting some java heap crashes in ColdFusion 8.  I went into c:\coldfusion8\runtime\bin\jvm.config and changed -Xmx to 1024 and -XX:MaxPermSize=512m, and rebooted but I don't think my heap has actually...

Answer:

Did you ever solve your problem here? The jvm.config is indeed the place to modify the jvm args, and...

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Charlie Arehart at Quora Mark as irrelevant Undo

Java Platform, Enterprise Edition: Is there any open source implementation of JSR-107 ready for production?

The implementation available at https://github.com/jsr107/RI is claimed to be just a proof of concept for the API, not threadsafe or high performance and does limit the size of caches or provide eviction in the header of the source code. I think JSR...

Answer:

To the best of my knowledge, other than the Reference Implementation, there is only one implementation...

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Cameron Purdy at Quora Mark as irrelevant Undo

Simple B-Tree Implementation in Java

Greetings, I've been working for a while on a pretty simple B-Tree implementation in Java...but my life just went crazy and I need a little help. I'm certainly not asking for source code that I can just pop in and have it work magically. All I need...

Answer:

Thanks buckdharma-ga. It's been a pleasure helping you. In summary, the following references may be...

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buckdharma-ga at Google Answers Mark as irrelevant Undo

What changes were made to the JVM's implementation of intrinsic locks in Java 6?

The book Java Concurrency in Practise indicates that the performance of instrinsic locks was improved dramatically in Java 6. What were those changes, how are they different from the implementation of ReentrantLock, and why could those optimizations...

Answer:

Well, while there were  deadlock-detection enhancements added in Java 6, the real change you're probably...

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Why does Java use a mediocre hashCode implementation for strings?

The Java hashCode() implementation for strings (and arrays of primitive types) is quite simple: int h = 0; for (int i = 0; i < input.length() ; i++) { h = 31 * h + input.charAt(i); } This hash function isn't particularly good, especially in the...

Answer:

Referring to the documentation of Object's hashCode : "This method is supported for the benefit...

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Siddharth Anand at Quora Mark as irrelevant Undo

What is wrong with this Heap Sort implementation in C?

Hi! I have been trying to find error in this implementation of Heap sort algorithm in C but am unable to find it. It is compiling fine but when I execute the program it gives an ...show more

Answer:

You can understand better by the following example... int main() { int arr[20]; int i,j,size,tmp,k;...

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