Accenture Java Developer Interview Questions, Process, and Tips for Freshers

Autowire is used in Spring framework to automatically inject dependencies into a bean.

• Autowire eliminates the need for manual wiring of dependencies in Spring beans

• It can be used with @Autowired annotation in Spring

• There are different types of autowiring modes like 'byType', 'byName', 'constructor', 'no'

• Example: @Autowired private UserService userService;

Java inheritance is a mechanism where one class acquires the properties and behaviors of another class.

• Inheritance allows code reusability and saves time and effort in coding.

• The class that is being inherited from is called the superclass or parent class.

• The class that inherits from the superclass is called the subclass or child class.

• The subclass can access all the public and protected methods and fields of the superc...read more

Exception handling is the process of handling errors that occur during program execution.

• Exceptions are objects that represent errors or exceptional events.

• Exception handling involves catching and handling these exceptions.

• It helps prevent program crashes and allows for graceful error recovery.

• Examples of exceptions include NullPointerException, ArrayIndexOutOfBoundsException, and IOException.

Method overloading is when a class has multiple methods with the same name but different parameters.

• Method overloading allows for more flexibility in method calls.

• The methods must have different parameter types or number of parameters.

• Example: void print(int num), void print(String str), void print(int num1, int num2)

• Overloading is determined at compile-time based on the method signature.