Associate Software Development Test Engineer Interview Questions and Answers

Use indexOf() method to find a particular element in a String.

• Use the indexOf() method to search for a specific character or substring within a string.

• The indexOf() method returns the index of the first occurrence of the specified element in the string.

• If the element is not found, indexOf() returns -1.

• Example: 'hello world'.indexOf('o') will return 4.

Method overloading is having multiple methods in the same class with the same name but different parameters. Method overriding is having a method in a subclass with the same name and parameters as a method in the superclass.

• Method overloading allows a class to have multiple methods with the same name but different parameters.

• Method overriding involves creating a method in a subclass with the same name and parameters as a method in the superclass.

• Method overloading is resolved...read more

Java is a popular programming language known for its platform independence and object-oriented features.

• Java is platform-independent, meaning it can run on any device with a Java Virtual Machine (JVM)

• Java is object-oriented, allowing for the creation of reusable code and modular programs

• Java has automatic memory management through garbage collection

• Java supports multithreading for concurrent programming

• Java has a rich set of APIs and libraries for various functionalities