CompuMatrice Interview Questions and Answers

Q1. Java basic questions
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Q2. Oops concepts in detail
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Oops concepts are fundamental concepts in object-oriented programming that help in organizing and designing code.
• Encapsulation: bundling data and methods that operate on the data into a single unit

• Inheritance: creating new classes from existing classes, promoting code reusability

• Polymorphism: ability of objects to take on multiple forms or types

• Abstraction: hiding the complex implementation details and showing only the
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Q3. Java program for reverse string
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Java program to reverse a string using StringBuilder
• Create a StringBuilder object with the input string

• Use the reverse() method of StringBuilder to reverse the string

• Convert the reversed StringBuilder object back to a string
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Q4. Selenium commands
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Q5. Jira related questions
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Q1. Java, Spring, DBMS, basic SQL, Servlets, more
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Q1. General discussion to identify communication, problem skills
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Q1. Technical Interview
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Q2. Push pop array operations
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Push and pop are operations used to add and remove elements from the end of an array.
• Push operation adds an element to the end of the array.

• Pop operation removes and returns the last element of the array.

• Example: array.push('element') adds 'element' to the end of the array.

• Example: array.pop() removes and returns the last element of the array.
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A few problems statements

Q1. General hr questions
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