MRI Software Software Engineer Interview Questions and Answers

Simple java questions including theory and code snippet

Q1. Iterate collection and do some options on some perticular elements?
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Q2. Palandrone string Or pattern program Or string related program?
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Q1. Linux commands operating system?
Ans. 
Linux commands are used to interact with the operating system through the command line interface.
• Linux commands are case-sensitive

• Commands are typically followed by options and arguments

• Common commands include ls (list files), cd (change directory), mkdir (make directory)

• Commands can be combined using pipes (|) and redirection symbols (> and <)
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Q2. Html css javascript theory questions
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Q1. Salary discuss and general questions?
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Q2. They ask for join immediately?
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I was attended for technical f2f round for Android app developer, they asked to develop sample app with large json parsing in grid view. It's good and nice.

Q1. Once you successfully implemented coding, they will take technical f2f round. It will mainly in all topics of android.
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Q1. What final class and method
Ans. 
The final class and method are used to prevent inheritance and method overriding respectively.
• Final class: A final class cannot be subclassed. It is often used for utility classes or classes that should not be extended.

• Final method: A final method cannot be overridden by subclasses. It is used to prevent modification of a method's behavior in subclasses.
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Q2. PHP reference variable
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Q3. Find duplicate numbers
Ans. 
Find duplicate numbers in an array of strings.
• Iterate through the array and keep track of the count of each number using a hash map.

• If the count of a number is greater than 1, it is a duplicate.

• Return the list of duplicate numbers.
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Q4. Echo variable in single quote what will be output
Ans. 
The output will be the literal string of the variable, without any variable interpolation.
• When a variable is echoed in single quotes, it is treated as a literal string.

• No variable interpolation or special characters are interpreted.

• The output will include the variable name itself, not its value.
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Q5. What is oops concept
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Object-oriented programming (OOP) is a programming paradigm that uses objects to represent and manipulate data.
• OOP is based on the concept of classes and objects.

• It focuses on encapsulation, inheritance, and polymorphism.

• Encapsulation hides the internal details of an object and provides a public interface.

• Inheritance allows classes to inherit properties and methods from other classes.

• Polymorphism allows objects of diff...read more
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Q6. Having clause in MySQL
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The HAVING clause is used in MySQL to filter the results of a GROUP BY query based on a condition.
• The HAVING clause is similar to the WHERE clause, but it operates on grouped rows rather than individual rows.

• It is used in conjunction with the GROUP BY clause.

• The HAVING clause is used to filter the results of a GROUP BY query based on a condition that applies to the grouped rows.

• It is typically used to specify condition...read more
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Easy to moderate apt test here

Easy to moderate coding questions on array

Q1. Indexing, sqls, queries, triggers
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Q2. Php versions, features, explain code
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Q1. General discussion based on the experience , salary
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