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 57251

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 12174

why is multiple inheritance not allowed in java?

7 15732

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

5 9641

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 5449

write java code to print second max number in the array

12 23658

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 9616

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

4 7884

Program to find greatest prime number in n numbers?

3 15733

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

1 10571

question on Thread synchronization

3 10071

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

4 20960

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 7162

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 7405

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

9 31269

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Huawei Core Java Interview Questions

Huawei Core Java Interview Questions (20)

Un-Answered Questions

How many times can we commit in a loop?

975

What is the auto keyword good for in c++?

1134

What is an Idoc status?

1152

Why c is called top down?

1107

How can you write your own service provider in laravel.

662

How is time management and payroll is integrated? : sap abap hr

977

Like Java’s java.lang.Object class, what is the super class of all classes in Scala?

Your client wants to increase the number of people visiting his website. When analyzing the data for search campaign, which metric do you most want to improve?

181

What is a style sheet in editing?

619

what is ISR? what is the return value of ISR?

2539

How do I enable macros in powerpoint 2007?

341

Have you used xml check point in your project?

942

How can I send user authentication information while making URL Connection?

960

What is a Command to restart/start apache web server?

898

What are the different types of frames tags used in html?

750