while using wait and notify or notifyAll method in Java following things must be remember :

1) use notifyAll instead of notify if you expect more than one thread is waiting for lock.
2)wait() and notify() method must be called from synchronized context, see the link for more detailed explanation http://javarevisited.blogspot.com/2011/05/wait-notify-and-notifyall-in-java.html.
3) Always call wait() method in loop because if multiple threads are waiting for lock and one of them got lock and reset the condition and other thread needs to check the condition after they got wake up to see whether they need to wait again or can start processing.
4) use same object for calling wait() and notify() method, every object has its own lock so calling wait() on objectA and notify() on object B will not make any sense.

I need to create a Java program that:

Takes as input a rooted tree T and a node c of T and converts T to another tree with the same set of node adjacency but now rooted at v.

any suggestions to start off?

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This technical tip allows developers to split all or specific pages of a PDF file and save each page as a new PDF or any supported format using Saaspose.Pdf REST API in your .NET applications. Input PDF file needs to be uploaded in root folder of Saaspose Storage before running this code.Saaspose.Pdf is a REST API to create, edit & manipulate PDF files. It also convert PDF file to DOC, DOCX, HTML, XPS, TIFF etc. It is platform independent REST API & working with web, desktop, mobile or cloud applications alike. Some important steps for performing this task are to build URI to split PDF pages, sign URI, further process JSON response, Parse the json string to JObject, build URI to download split pages and save split PDF pages as PDF.

Sample Code for Splitting all pages to new PDFs

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