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Senior Java Developer Interview Questions

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1) Update the existing map without creating another map. 2) Write code to show the deadlock. 3) Find the maximum number from the given array. 4) Write the signature of service returning all the records from the provided table. 5) Explain about the Json format.
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Senior Java Developer/Lead

Interviewed at WhizAI, an IQVIA business

4.7★
May 5, 2022

1) Update the existing map without creating another map. 2) Write code to show the deadlock. 3) Find the maximum number from the given array. 4) Write the signature of service returning all the records from the provided table. 5) Explain about the Json format.

After a night of wild revelry, a group of local intoxicated hoodlums stumble into a children's playground. One of these hoodlums, Phil, climbs to the middle of a spin-around carousel and his friends push the carousel so it rotates once every five seconds. Phil, who is trying not to get sick, holds a flashlight motionless in his hand. There is a straight path running by the playground that, at its closest point, is 30 meters from the middle of the carousel. Unknown to Phil, there are two cops facing him on the path, shocked at the spectacle. One of them is standing on the path at the point closest to the carousel, while the other is standing 60 meters down the path. At approximately what speed (in meters per second) does the spot illuminated by the flashlight traverse each of the cops' bodies? State speed at the closest cop first.
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Senior Java Developer

Interviewed at Acuitus

4.4★
Apr 6, 2010

After a night of wild revelry, a group of local intoxicated hoodlums stumble into a children's playground. One of these hoodlums, Phil, climbs to the middle of a spin-around carousel and his friends push the carousel so it rotates once every five seconds. Phil, who is trying not to get sick, holds a flashlight motionless in his hand. There is a straight path running by the playground that, at its closest point, is 30 meters from the middle of the carousel. Unknown to Phil, there are two cops facing him on the path, shocked at the spectacle. One of them is standing on the path at the point closest to the carousel, while the other is standing 60 meters down the path. At approximately what speed (in meters per second) does the spot illuminated by the flashlight traverse each of the cops' bodies? State speed at the closest cop first.

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