Group Fio Fullstack Java Developer Interview Questions and Answers

Decorators in Angular are functions that allow you to modify or extend the behavior of classes or methods.

• Decorators are used to add metadata to classes or methods in Angular applications.

• They are prefixed with @ symbol and are followed by the decorator name.

• Common decorators in Angular include @Component, @Directive, @Injectable, @Input, @Output, etc.

• Decorators can be used for various purposes such as defining compone...read more

OOPs concept in Java is a programming paradigm that focuses on objects and their interactions.

• OOPs stands for Object-Oriented Programming.

• It involves the use of classes, objects, inheritance, polymorphism, and encapsulation.

• Classes are blueprints for creating objects, and objects are instances of classes.

• Inheritance allows classes to inherit properties and behaviors from other classes.

• Polymorphism allows objects of dif...read more

A palindrome program in Java checks if a given string is the same when read forwards and backwards.

• Convert the string to lowercase to ignore case sensitivity.

• Use two pointers, one starting from the beginning and the other from the end of the string.

• Compare the characters at the two pointers, moving them towards the center until they meet or cross each other.

• If at any point the characters are not equal, the string is no...read more

Creating a table named 'questions' in MySQL.

• Use the CREATE TABLE statement to create the table.

• Specify the table name, column names, and their data types.

• Set primary key, foreign key, and other constraints if required.

• Add any additional properties like auto-increment, default values, etc.

• Execute the SQL statement to create the table.