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Interview Questions and Answers for 'Walmart' - 8 question(s) found - Order By Rating | ||||
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This question was recently asked at 'Walmart'.This question is still unanswered. Can you please provide an answer. | ||||
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Like Discuss Correct / Improve   Asked in 1 Companies | ||||
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Ans. There is a diverse set of programming languages used in Jenkins, including but not limited to: Java, JavaScript, Groovy, Golang, Ruby, Shell scripts | ||||
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Like Discuss Correct / Improve   Asked in 1 Companies | ||||
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Ans. It in Java is used to indicate that a field should not be serialized. | ||||
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Like Discuss Correct / Improve  java   oops   serialization   transient   java keywords Asked in 39 Companies intermediate   frequent | ||||
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Ans. LDAP servers are typically used in J2EE applications to authenticate and authorise users. LDAP servers are hierarchical and are optimized for read access, so likely to be faster than database in providing read access. | ||||
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Like Discuss Correct / Improve  java   j2ee   ldap   servers   authentication   authorization   architecture   technical lead   technical architect  production support Asked in 1 Companies | ||||
Frequently asked to experienced developers. Recently asked in many US interviews. | ||||
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Ans. When multiple external resources are trying to access the DB locks and runs into cyclic wait, it may makes the DB unresponsive. Deadlock can be avoided using variety of measures, Few listed below - Can make a queue wherein we can verify and order the request to DB. Less use of cursors as they lock the tables for long time. Keeping the transaction smaller. | ||||
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Like Discuss Correct / Improve  java   database   architecture Asked in 7 Companies expert   frequent | ||||
Very Frequently asked. Favorite question in walkins and telephonic interviews. Usually among first few questions. Asked in different variants. Must know for intermediate and expert professionals.Among Top 10 frequently asked questions. | ||||
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Ans. A Class must override the hashCode method if its overriding the equals method. | ||||
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Like Discuss Correct / Improve  java   collections   hashcode  hash code   equals   collections Asked in 44 Companies intermediate   frequent | ||||
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Frequently asked at Manhattan Associates ( Based on 2 feedback ) | ||||
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Ans. Its an anonymous method without any declaration. Lambda Expression are useful to write shorthand Code and hence saves the effort of writing lengthy Code. It promotes Developer productivity, Better Readable and Reliable code. | ||||
Sample Code for lambda | ||||
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Like Discuss Correct / Improve  java   java8   lambda expression   architecture Asked in 58 Companies expert   frequent | ||||
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Frequently asked in face to face interviews. | ||||
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Ans. int count = 15; int[] fibonacci = new int[count]; fibonacci[0] = 0; fibonacci[1] = 1; for(int x=2; x < count; x++){ fibonacci[x] = fibonacci[x-1] + fibonacci[x-2]; } for(int x=0; x< count; x++){ System.out.print(fibonacci[x] + " "); } | ||||
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Like Discuss Correct / Improve  ebay   fibonacci series Asked in 66 Companies basic   frequent | ||||