What is the formula to calculate percentage?

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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 Answers   Huawei,

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How do you compare values in java?

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Mention some interfaces implemented by linked list in java.

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What are the Memory Allocations available in JavaJava?

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What is the equal sign?

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Why java is a platform independent? Explain

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What is the difference between error and exception and explain in simple words not whatever is given in the book.

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What is the difference between java and .Net?

39 Answers   Bosch,

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Why java is called not pure object oriented language?

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describe synchronization in respect to multithreading? : Java thread

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Variable of the boolean type is automatically initialized as?

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