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

Online applications streamline the hiring process, making it efficient for both candidates and employers.

• Accessibility: Candidates can apply from anywhere, increasing the pool of applicants.

• Efficiency: Automated systems can quickly filter resumes based on keywords.

• Tracking: Employers can easily track applications and communicate with candidates.

• User Experience: Many platforms offer user-friendly interfaces for a smoother application process.

• Examples: Companies like LinkedIn a...read more

A 2-stroke engine completes a power cycle in two strokes of the piston, providing high power-to-weight ratio and simplicity.

• Operates on two strokes: compression and power.

• Commonly used in small engines like chainsaws and mopeds.

• More power strokes per revolution compared to 4-stroke engines.

• Typically lighter and simpler in design, making them portable.

• Less fuel-efficient and produces more emissions than 4-stroke engines.

A lathe machine is a tool used for shaping materials by rotating them against a cutting tool.

• Used for turning, drilling, and threading materials like wood and metal.

• Commonly found in workshops for creating cylindrical parts.

• Examples include making furniture legs, shafts, and custom fittings.

• Can be operated manually or controlled by computer (CNC lathes).