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3,917 engineer developer interview questions shared by candidates

1. Each and every concept in Java, SpringBoot, Rest is covered 2. second highest salary from the table 3. can we replace @service with @component? why? 4. In depth question for each and every topic/question he asked.
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Software Engineer - Java Developer

Interviewed at Zensar Technologies

3.7★
Jun 22, 2021

1. Each and every concept in Java, SpringBoot, Rest is covered 2. second highest salary from the table 3. can we replace @service with @component? why? 4. In depth question for each and every topic/question he asked.

You are required to design and implement a stack data structure that supports the following operations, all in O(1) time complexity: 1️⃣ push(x) — Pushes an integer x onto the stack. 2️⃣ pop() — Removes the element on the top of the stack. 3️⃣ top() — Gets the top element of the stack. 4️⃣ getMin() — Retrieves the minimum element currently in the stack. 5️⃣ getMax() — Retrieves the maximum element currently in the stack.
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Software Engineer - Java Developer

Interviewed at IBS Software

3.8★
Jun 22, 2025

You are required to design and implement a stack data structure that supports the following operations, all in O(1) time complexity: 1️⃣ push(x) — Pushes an integer x onto the stack. 2️⃣ pop() — Removes the element on the top of the stack. 3️⃣ top() — Gets the top element of the stack. 4️⃣ getMin() — Retrieves the minimum element currently in the stack. 5️⃣ getMax() — Retrieves the maximum element currently in the stack.

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