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| Interview Questions and Answers for 'Bebo technologies' - 2 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 ) | |||||
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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  Asked in 292 Companies  basic  frequent | |||||
 Try 6 Question(s) Test | |||||
 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? | |||||
| Almost sure to be asked in every company using any Dependency Injection framework ( Spring, Guice etc ) | |||||
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| 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. | |||||
| Help us improve. Please let us know the company, where you were asked this question : | |||||
| Discuss Correct / Improve design patterns ioc ( Inversion of Control ) dependency injection Asked in 80 Companies intermediate frequent | |||||
| Related Questions | |||||
| Name few Dependency Injection frameworks ? | |||||
| What are the benefits of Dependency Injection or IOC ? | |||||
| What are different types of dependency injections ? | |||||
| What are the various Auto Wiring types in Spring ? | |||||
| What is the difference betweeen @Inject and @Autowired ? | |||||
| Which of the following Java features facilitates Dependency Injection - Inheritance or Composition ? | |||||
| What are the different ways in which dependency injection can be done using Spring Framework ? | |||||
| Difference between constructor and setter injection ? | |||||
| Which of the OOP's features facilitate dependency injection ? | |||||
