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| Interview Questions and Answers for 'Ebix' - 3 question(s) found - Order By Newest | ||||
 Very frequently asked. Among first few questions in almost all interviews. Among Top 5 frequently asked questions. Frequently asked in Indian service companies (HCL,TCS,Infosys,Capgemini etc based on multiple feedback ) and Epam Systems | ||||
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| Ans. "equals" is the method of object class which is supposed to be overridden to check object equality, whereas "==" operator evaluate to see if the object handlers on the left and right are pointing to the same object in memory. x.equals(y) means the references x and y are holding objects that are equal. x==y means that the references x and y have same object. Sample code: String x = new String("str"); String y = new String("str"); System.out.println(x == y); // prints false System.out.println(x.equals(y)); // prints true | ||||
 Sample Code for equals | ||||
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 Discuss Correct / Improve  java string comparison string object class == equals object equality operator == vs equals equals vs ==  Asked in 294 Companies  basic  frequent | ||||
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 Related Questions | ||||
 What is the difference between = and == in Java ? | ||||
| How is == operator different for objects and primitive types ? | ||||
| What will be the output of following code Integer x = 1; Integer y = 2; System.out.println(x == y); What if you change 1 to "1" and Integer to String? | ||||
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| Ans. String s1 = "akhilesh"; char[] ch = s1.toCharArray(); for (int i = ch.length-1 ; i >=0 ; i--) { System.out.print(ch[i]); } | ||||
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| Discuss Correct / Improve Asked in 1 Companies | ||||
| Related Questions | ||||
| Difference between == and .equals() ? | ||||
| Why is String immutable in Java ? | ||||
| Explain the scenerios to choose between String , StringBuilder and StringBuffer ? or What is the difference between String , StringBuilder and StringBuffer ? | ||||
| What are different ways to create String Object? Explain. | ||||
| Why Char array is preferred over String for storing password? | ||||
| What is a String Pool ? | ||||
| How does making string as immutable helps with securing information ? How does String Pool pose a security threat ? | ||||
| How is string object immutable if we can concat a string to it ? | ||||
| What is StringJoiner ? | ||||
| Which of the following is false about main method ? a. It should be declared public and static b. it should have only 1 argument of type String array c. We can override main method d. We can overload main method | ||||
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| Ans. Dirty Checking is one of the features of hibernate. In dirty checking, hibernate automatically detects whether an object is modified (or) not and need to be updated. As long as the object is in persistent state i.e., bound to a particular Session, Hibernate monitors any changes to the objects and executes sql. | ||||
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| Discuss Correct / Improve dirty checking in hibernate Asked in 1 Companies | ||||
| Related Questions | ||||
| What is Lazy Initialization in Hibernate ? | ||||
| What are the ways to avoid LazyInitializationException ? | ||||
| Difference between first level and second level cache in hibernate ? | ||||
| Which annotations are used in Hibernate ? | ||||
| What are the contents of Hibernate configuration file ( hibernate.cfg.xml ) ? | ||||
| What things you would care about to improve the performance of Application if its identified that its DB communication that needs to be improved ? | ||||
| How to configure second level cache in Hibernate ? | ||||
| What is the use of @GeneratedValue annotation in Hibernate? | ||||
| What are the disadvantages of Hibernate over native APIs ? | ||||
| What are the advantages of Hibernate ? | ||||
