Application Development Analyst Interview Questions and Answers for Freshers

OOPS (Object-Oriented Programming) is a programming paradigm based on the concept of objects, which can contain data and code.

• Class is a blueprint for creating objects. It defines the properties and behaviors of objects.

• Inheritance allows a class to inherit properties and methods from another class. It promotes code reusability.

• Function is a block of code that performs a specific task. It can be called multiple times.

• Map is a collection of key-value pairs where each key is un...read more

Use the equals() method in Java to compare two strings for equality.

• Use the equals() method to compare two strings for equality.

• Example: String str1 = "hello"; String str2 = "hello"; if(str1.equals(str2)) { // strings are equal }

A string is a sequence of characters used to represent text.

• Strings are typically enclosed in quotation marks, such as 'hello world'.

• Strings can contain letters, numbers, symbols, and spaces.

• Strings can be manipulated using various string functions like concatenation and substring extraction.

A trigger is used to enforce a master-detail relationship in a database.

• Triggers can be used to automatically create child records when a parent record is created.

• Triggers can also be used to prevent deletion of parent records if child records exist.

• Example: Creating a trigger to insert a new detail record when a master record is inserted.