Assistant Employee Relations Manager Interview Questions and Answers

NullPointerException is a runtime exception in Java when an object is accessed with a null reference.

• NullPointerException occurs when trying to access or modify an object's field or method using a null reference.

• Example: String str = null; int length = str.length(); // This will throw a NullPointerException.

• To avoid NullPointerException, always check for null references before accessing or modifying objects.

There are numerous online job services available with varying numbers of users.

• There are popular online job services like Indeed, LinkedIn, Glassdoor, and Monster.

• The number of users on each online job service can range from millions to thousands.

• Some online job services cater to specific industries or job types, while others are more general.

• Online job services often offer features like job alerts, resume building, and networking opportunities.

Online job refers to employment opportunities that can be done remotely via the internet.

• Online jobs allow individuals to work from anywhere with an internet connection

• Examples include freelance writing, virtual assistant roles, and online tutoring

• Online jobs often offer flexibility in terms of working hours and location

A basic computer is a simple machine that can perform basic tasks like word processing, browsing the internet, and sending emails.

• A basic computer typically has a CPU, RAM, storage, and input/output devices like a keyboard and monitor.

• It can run basic software like Microsoft Word, web browsers, and email clients.

• It may not have advanced features like a dedicated graphics card or high-end processing power.

• Examples of basic computers include budget laptops, entry-level desktops...read more