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 Frequently asked question in companies using Hibernate. | ||||
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| Ans. It's a feature to lazily initialize dependencies , relationship and associations from the Database. Any related references marked as @OneToMany or @ManyToMany are loaded lazily i.e when they are accessed and not when the parent is loaded. | ||||
 Sample Code for Lazy Initialization | ||||
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 Discuss Correct / Improve  hibernate lazy loading hibernate lazy initialization hibernate architecture  Asked in 77 Companies  Basic  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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| Discuss Correct / Improve java java8 lambda expression architecture Asked in 58 Companies expert frequent | ||||
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| Ans. Jar is Java Archieve i.e compressed Class or Class / Java files. War comprises of compressed Servlet class files,JSP FIles,supporting files, GIF and HTML files. Ear comprise of compressed Java and web module files ( was files ). | ||||
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| Discuss Correct / Improve java j2ee jar web development war ear build management release management Asked in 12 Companies basic frequent | ||||
| 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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| Discuss Correct / Improve ebay fibonacci series Asked in 66 Companies basic frequent | ||||
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| Ans. public class Factorial { public static void main(String[] args){ int x = 5; System.out.println(calculateFactorial(x)); } private static int calculateFactorial(int x){ if(x==1){ return 1; } return x * calculateFactorial(x-1); } } | ||||
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| Discuss Correct / Improve factorial calculate factorial code coding recursion Asked in 1 Companies basic | ||||
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| Ans. Destructor is used to de-allocate memory allocated by objects. There are no destructors in Java. Alternatively, Java provides Automatic garbage collection i.e automatically releasing the un-referenced memory. | ||||
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| Discuss Correct / Improve destructor garbage collection Asked in 11 Companies Basic frequent | ||||
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What is Lazy Initialization in Hibernate ?
