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Tree traversal methods in computer science
In-order traversal: Left, Root, Right
Pre-order traversal: Root, Left, Right
Post-order traversal: Left, Right, Root
Example: In-order traversal of tree with nodes 1, 2, 3 would be 1, 2, 3
Yes, the key value in a Hashmap can be an object.
In Java, the key in a Hashmap can be any object, not just primitive types.
The key must override equals() and hashCode() methods for proper functioning.
Example: HashMap
I applied via Naukri.com and was interviewed before Apr 2021. There was 1 interview round.
I applied via Referral and was interviewed before Jul 2021. There were 3 interview rounds.
Quantitative Aptitude, Numerical Ability, Synonym etc
I applied via Company Website and was interviewed before Dec 2022. There were 3 interview rounds.
The GD was good they give you current topic and questions related to that
I applied via Job Portal
OSG stands for Occupational Safety and Health Gear. It includes equipment and clothing designed to protect workers from workplace hazards.
OSG includes items such as helmets, gloves, safety goggles, ear protection, and safety harnesses.
The function of OSG is to minimize the risk of injury or illness in the workplace.
Safety gear is essential for workers in industries such as construction, manufacturing, and mining.
Proper...
Elevators typically use AC induction motors with variable frequency drives for smooth and efficient operation.
AC induction motors are commonly used in elevators due to their reliability and ability to provide smooth and quiet operation.
Variable frequency drives are used to control the speed and torque of the motor, allowing for precise movement and energy efficiency.
The drive system in an elevator is responsible for co...
I handle customers with patience, empathy, and effective communication.
Listen actively to understand their concerns
Show empathy and understanding towards their situation
Communicate clearly and effectively to address their needs
Provide timely updates and follow-ups on their service requests
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Schindler
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