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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 57839

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 12229

why is multiple inheritance not allowed in java?

7 15980

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

5 9814

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 5523

write java code to print second max number in the array

12 24042

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 9764

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

4 8030

Program to find greatest prime number in n numbers?

3 15880

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

1 10669

question on Thread synchronization

3 10201

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

4 21115

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 7288

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 7487

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

9 31506

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Huawei Core Java Interview Questions

Huawei Core Java Interview Questions (20)

Un-Answered Questions

What is margin in css style?

661

Is freon an element and if not what is it?

1214

Explain explicit container.

1087

What is css with example?

699

what are resources in case of Threads

2296

What is Software ?

1968

What is application navigator?

What is the function of attenuator in cro?

1200

Mention what are the common bugs found while mobile testing?

1186

Explain the applications of stack?

945

How do I remove windows 10 and install windows 7?

789

length where bent up is made in slab of bridge from one end

1929

Explain the terms test and business component?

1027

Explain types of clustering algorithm?

315

What is asenumerable in c#?

896