Acies Consulting Specialist Product Development Interview Questions and Answers for Experienced

Basic structure of an HTML page includes doctype declaration, html, head, and body tags.

• DOCTYPE declaration specifies the HTML version

• HTML tag wraps the entire content of the page

• Head tag contains meta information, title, and links to external resources

• Body tag contains the visible content of the page

Padding is the space inside an element, while margin is the space outside an element.

• Padding is used to create space between an element's content and its border.

• Margin is used to create space between an element's border and the adjacent elements.

• Padding is affected by the background color of the element, while margin is not.

• Padding can be set individually for each side of an element (top, right, bottom, left), while ma...read more

Box Model is a concept in CSS where every element is treated as a box with content, padding, border, and margin.

• Box Model consists of content, padding, border, and margin.

• Content is the actual content of the box.

• Padding is the space between the content and the border.

• Border is the line that goes around the padding and content.

• Margin is the space outside the border.

Directives in Angular are markers on DOM elements that tell Angular to attach a specified behavior to that element.

• There are three types of directives in Angular: Component, Structural, and Attribute.

• Component directives are used to create reusable UI components.

• Structural directives are used to change the structure of the DOM.

• Attribute directives are used to change the appearance or behavior of an element.

• Examples of ...read more

JIT compiles code at runtime while AOT compiles code before runtime.

• JIT stands for Just-In-Time compilation and compiles code at runtime.

• AOT stands for Ahead-Of-Time compilation and compiles code before runtime.

• JIT is used in Java Virtual Machine (JVM) while AOT is used in languages like C and C++.

• JIT can result in slower startup time but faster execution while AOT can result in faster startup time but slower execution...read more

Oops concepts in Java

• Encapsulation - hiding implementation details

• Inheritance - reusing code and creating parent-child relationships

• Polymorphism - multiple forms of a method or object

• Abstraction - creating abstract classes and interfaces

• Example: Encapsulation - using private variables and public methods

• Example: Inheritance - creating a subclass that inherits from a superclass

• Example: Polymorphism - using method overloa...read more

Altering columns in databases involves modifying the structure of a table by adding, deleting or modifying columns.

• Use ALTER TABLE statement to modify columns

• Add new columns using ADD COLUMN

• Delete columns using DROP COLUMN

• Modify columns using MODIFY COLUMN

• Changing column data type may result in data loss

Reversing a number in Java

• Convert the number to a string

• Use StringBuilder to reverse the string

• Convert the reversed string back to a number

To extract words from a line in Java, split the line using whitespace as delimiter.

• Use the split() method of String class

• Pass the whitespace regex as argument to split() method

• Iterate over the resulting array to get individual words

Generic collections provide type safety and reusability in software development.

• Generic collections allow us to store and manipulate objects of any type in a type-safe manner.

• They provide compile-time type checking, reducing the chances of runtime errors.

• They promote code reusability by allowing the same collection to be used with different types.

• Generic collections improve performance by eliminating the need for boxin...read more