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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
posted on 28 Jun 2021
posted on 26 Sep 2021
I applied via Recruitment Consultant and was interviewed in Mar 2021. There was 1 interview round.
posted on 7 Dec 2024
I applied via Naukri.com and was interviewed before Dec 2023. There was 1 interview round.
I applied via Campus Placement
I applied via Naukri.com and was interviewed in Oct 2020. There were 3 interview rounds.
Kanban is a lean manufacturing system that ensures smooth inventory flow. Material shortage is managed by effective planning and communication with vendors. Manpower is handled by proper training and allocation of resources.
Kanban is a visual system that helps in managing inventory levels and production flow
Effective planning and communication with vendors helps in managing material shortage
Proper training and allocati...
I applied via Referral and was interviewed in Apr 2021. There were 3 interview rounds.
I have achieved significant improvements in all 4M areas throughout my career.
Implemented new machine maintenance program resulting in 20% decrease in downtime
Developed new material sourcing strategy resulting in 15% cost savings
Redesigned production line layout resulting in 30% increase in efficiency
Implemented lean manufacturing principles resulting in 25% reduction in waste
Trained and mentored team members resulting...
posted on 9 Dec 2021
I applied via Campus Placement and was interviewed in Jun 2021. There were 3 interview rounds.
Types of gears include spur, helical, bevel, worm, rack and pinion, and planetary gears.
Spur gears have straight teeth and are used for low-speed applications.
Helical gears have angled teeth and are used for high-speed applications.
Bevel gears have cone-shaped teeth and are used for changing the direction of power transmission.
Worm gears have a screw-like structure and are used for high reduction ratios.
Rack and pinion...
posted on 20 Apr 2023
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