Huawei Core Java Interview Questions Answers, Huawei Placement Papers, Huawei Technical, HR Interview Questions, Huawei Aptitude Test Questions, Huawei Campus Placements Exam Questions

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Huawei Core Java Interview Questions

Questions Answers Views Company eMail

what is the difference between static block and static method

19 57303

In the first round, there are 30 aptitude and 30 java questions. We are suppose to finish both the papers within 60 minutes. I cleared this round. Next was test for programming skills. In this section, Some 7 n's were asked. 1. What is the difference b/w sleep(1000) and wait(1000) 2. what is the diff b/w static block and static function? 3. Write a program to validate IP address using string tokenizer. 4. Write a program to create singleton class 5. write a function to reverse the string 6. Write a prog to print prime nos upto n. EX: If n=9, It shld print 1,2,3,5,7 7. One program on collections- Write a program to print no. of times a number is repeating in an array. EX- {1,3,1,2,5,7,3,7,34,3,8,3} It should print: 1- 2 times 3- 4 times and so on 7. Write a func to print fibonocci series After this I had technical interview, which went on for. 60 mins or so. There were qn's about multi threading, Exception handling and collection classes. Knowledge about collections was very important for the post I was interviewed for.

1 12178

why is multiple inheritance not allowed in java?

7 15746

hi to all. well can you please tell me that why String class is immutable? Thanks in advance.

5 9654

perpare on factorypattern,linklist wothout using collection, (multitharding ie create producer/customer therad producer create Queue continuesly,consumer consume queue, consumer wait if queue is full,producer wait if queue is empty),diff betn sleep(1000)&wait(1000) these r the main Q ask in huawei(2008)

1 5456

write java code to print second max number in the array

12 23686

Write java code to print "Hello how are you" Thread1 should have "Hello" Thread2 should have "how are you" both the threads should start at the same time

4 9628

Program to output as below formate: 1 2 3 4 5 6 7 8 9 10

4 7899

Program to find greatest prime number in n numbers?

3 15750

program to validate the IP address? Validity range should be 0 to 255

1 10574

question on Thread synchronization

3 10077

diff b/w sleep(1000) and wait(1000)?

4 20975

I have an HashMap object, which has with key and value pair. It has 10 keys and values in that object. Now the question is I want insert new key and value in middle or any where in that list but not at the end or at the top. Is it possible or not. If yes how can we achieve this one?

2 7176

How can we handle runtime exceptions? write one sample program? Can we write runtime exceptions beside the throws key word? if yes write sample program?

1 7412

JSP is by default thread safe or not? what is the meaning of isThreadSafe="true" and isThreadSafe="false". Explain it? Thanks, Seenu

9 31287

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Huawei Core Java Interview Questions

Huawei Core Java Interview Questions (20)

Un-Answered Questions

What is derived metric?

954

Please explain the sparse vector in Spark.

276

did anybody take online training from Mind Q systems hyderabad? please share your experience. thanks

2157

What is the normalization?

555

where do you see yourself in five years from now?

972

List the components of natural language processing?

782

What is batch dl/i mode?

3317

What are the Uses of CLR

1187

What is selenium? What are different selenium components?

940

How do I go back in linux terminal?

885

What is dagger and explain dependency injection?

833

What are the system requirements for Merge?

2083

Write a single instruction that will store an EVEN random integer between 54 and 212 inclusive in the variable myran. (NOTE only generate EVEN random numbers)

1893

Explain yielding in threading?

1009

What is your experience with Amazon website? How will you improve it?

1074