Electronica Plastic Machines Associate Customer Services Engineer Interview Questions and Answers

Q1. What is JPA
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Q2. Write a program to find duplicate elements in the list
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Q1. Taxation related questions & GST related questions
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Q1. Are you interested to do marketing...?
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Q1. Previous experience related queries
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Q1. Read derivatives especially options
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Basic aptitude and coding problems were asked

System design and advanced algorithms were asked

Basic java questions

Q1. Explain Linked list implementation and stack
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Linked list is a data structure where each element points to the next element. Stack is a data structure that follows Last In First Out (LIFO) principle.
• Linked list implementation involves creating nodes with data and a pointer to the next node.

• Stack implementation involves pushing elements onto the stack and popping them off in reverse order.

• Example: Linked list - 1 -> 2 -> 3 -> NULL, Stack - push(1), push(2), push(3)...read more
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Q2. Oops concepts in java
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Oops concepts in Java refer to Object-Oriented Programming principles like Inheritance, Encapsulation, Polymorphism, and Abstraction.
• Inheritance: Allows a class to inherit properties and behavior from another class.

• Encapsulation: Bundling data and methods that operate on the data into a single unit.

• Polymorphism: Ability of a method to do different things based on the object it is acting upon.

• Abstraction: Hiding the imp...read more
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Q1. 3 dsa problem asked
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