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Apple Core Java Interview Questions
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What is meant by class loader and how many types are there?

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pass the journal as wellas ledger entries off the foll 1st jan :> started businress with cash rs 1,20,000 & goods worth rs 60,000. 2nd jan > cash purchases rs 50,000. 4th jan >cash sales rs 40,000. 6th jan > purchase good's from sonali on credit worth rs 30,000 at 10 % trade discount. 8th jan> sold sood's to komal on credit rs 20,000 at 10% trade discount. 10th jan > paid rent by a cheque rs 50,000. 12th jan > good's worth rs 4,000 lossed by fire. 14th jan > good's worth rs 3,000 withdrawn from business for personal use. 16th jan > good's worth rs 2,000 distributed as free samples. 18th jan > good's worth rs 1,000 exchange for furniture.


what are your plans after completing your MBA (or) studies ?


what is the difference between north western polytechnique university and your applied colleges?? please give ur answers for this. :)


why we use circuit breakers for switching instead of normal switching device?


what is RFID? thire application;


HI, i was given only 1st round and i made it through the first round, then was sent for the final HR round.In the HR round the HR manager dint ask me a single question of the related job,all he asked was as following:- i)what are your salary Expectations ii)are you ok to do night shifts.then he thanked me and said he will let me know by 2 days,when i asked him for any feedbacks and suggestions he said that he will let me know only after 2 days.SO please help me what shall i expect from this one of a kind interview. Many thanks in advance.


please tell me difference between router and cisco router


How much for the BRC lapping in full yield and half yield < and which table to get it ?


This is to know that :- if a candidate having 6 years of pharma sales experience ,MBA[Marketing]degree,sap-sd funtional knowledge and 2 years+ of sap-sd functional experience what would be salary range of that candidate in kolkata as per the industry trends ?


Hi friends I want to know about what r the dimensions in the banking porjects and genarally how many tables r in project ?


for 100 HP Induction motor service factor is 1.2(SF) we placed a VFD at the motor side load is balance with 0.3 Amp's Phase to Phase but at incoming of VFD load is un-balance with 10 to 20 Amp's what will be cause of load un balance


out line your long term goals & ambition which may be of interest to us


You run a technical support website where members post questions and answers to problems experienced and general know how. You have to provide explanations to recently posted questions. Some opf these questions need reasearch.


I need help with the following lab. Can anyone explain it to me on how to approach this problem. Coding would be great too !!! No busy waiting allowed. Remember that Java monitors are 'signal and continue'. The input data is called the database (DB). In this problem, it consists of a single variable initialized in the main thread, to contain the current time of day in HH:MM:SS:mmm format (mmm is milliseconds) truncated to 3 digits. Threads follow these rules: 1. Readers may all attempt to read at the same time, but NOT if a writer is writing (i.e.; the writer is in the monitor. 2. Writing is exclusive (only 1 writer at a time, no readers while writing). 3. Options: (to be specified by instructor) a. Readers have absolute priority over writers. b. Writers have absolute priority over readers c. When a reader arrives and a writer is waiting, the reader is suspended behind the writer instead of being admitted immediately. Thus, a writer waits for readers that were running when it arrived, but does not to wait for new readers. You may program this in C++ or Java. There are 4 controlling input values: 1. r – number of readers 2. w – number of writers 3. R – delay for a reader to restart 4. W – delay for a writer to restart Create the following program consisting of 1 main process (your main program) with n threads: 1. The main thread: a. Creates the 'n' threads needed. Of these, r of them are readers and w of them are writers. Starts all readers and writers. b. Waits for all 'n' threads to complete. You may use any method to detect when they are all complete. c. Prints out the resulting outputs from the threads. 2. Threads: a. When a thread starts to run, it immediately tries to enter the monitor. b. A reader thread reads the DB, outputs the exact message below, then exits: >>> DB value read =: HH:MM:SS:mmm by reader number: rr where the underlined text is replaced with actual data. c. A writer thread updates the DB with a new value (from the system time), outputs the exact message below, then exits: *** DB value set to: HH:MM:SS:mmm by writer number: ww where the underlined text is replaced with actual data. d. Each thread accesses the data a total of 10 times, exiting, then re-entering the monitor after each access. Hints: 1. File access *might* not be thread-safe, so you should be prepared to handle this. Read the documentation for the language you are using. 2. Suggested values for delays are: a. If looping, R >=1,000,000 and W>=100,000 b. If using “sleep”, then R=100 ms, W=50 ms. Additional: • Thread output is to ONE file used by ALL threads (so you need to synchronize access to it). • Readers must provide sufficient delay that results are useful (delay by R before re-trying). R is another input value. • Writers must also delay. Delay by W, updating the DB each time. W is an input. • Test your program with AT LEAST TWO different sets of values for r and w (#s of readers and writers) plus this set: r = 4, w=2. Basic operation of a thread: attempt to enter the monitor. If unsuccessful, you get put on a queue. When you get in, read or write the data (depending on type of thread), exit the monitor, wait the required delay amount, then try again. Repeat 10 times.


what are the different phases in delivering the project during development and maintenance?


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