Interview Questions and Answers for 'Trustwave' | Search Interview Question

Interview Questions and Answers for 'Trustwave' - 4 question(s) found - Order By Rating

Q1. Write a Program to convert a binary to number ?

Ans. int convert(int binaryInt) {
int sumValue=0;
int multiple = 1;
while(binaryInt > 0) {
binaryDigit = binaryInt;
binaryInt = binaryInt /10;
sumValue = sumValue (binaryDigit * multiple);
multiple = multiple * 2;
}

return sumValue;
}

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_{Like Discuss Correct / Improve code coding Asked in 1 Companies basic}

Q2. Write a multi threaded Program that will simulate transferring of money across accounts ?

Core Java

^{This question was recently asked at 'Trustwave'.This question is still unanswered. Can you please provide an answer.}

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Almost sure to be asked in every company using any Dependency Injection framework ( Spring, Guice etc )

Q3. What is Dependency Injection or IOC ( Inversion of Control ) ?

Design

Ans. It is a Design Pattern that facilitates loose coupling by sending the dependency information ( object references of dependent object ) while building the state of the object. Objects are designed in a manner where they receive instances of the objects from other pieces of code, instead of constructing them internally and hence provide better flexibility.

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_{Like Discuss Correct / Improve design patterns ioc ( Inversion of Control ) dependency injection Asked in 83 Companies intermediate frequent}

Q4. How are values passed in Java ? By value or reference ?

Core Java

Ans. Java only provides pass by value.

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_{Like Discuss Correct / Improve ebay pass by value pass by reference method call methods functions function call Asked in 10 Companies basic frequent}

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