Logixal Solutions Software Developer Interview Questions and Answers

Q1. Map reduce filter in javascript
Ans. 
Map, reduce, and filter are higher-order functions in JavaScript used to manipulate arrays.
• Map: Transforms each element in an array and returns a new array with the transformed elements.

• Reduce: Reduces an array to a single value by applying a function to each element.

• Filter: Creates a new array with elements that pass a certain condition.
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Q2. Exception handling
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Very easy roundand is it a program to implement Parallel Merge Sort and can measure the performance

Coding and decoding reasoning for the shield season is over now I am not sure

Q1. What is interface ?
Ans. 
An interface in software development defines a contract for classes to implement, specifying methods and properties.
• Interfaces in programming languages like Java and C# allow for multiple inheritance by defining a set of methods that a class must implement.

• Interfaces provide a way to achieve abstraction and polymorphism in object-oriented programming.

• Interfaces are used to define common behavior that multiple classes c...read more
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Q2. Hat is encapsulation
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Encapsulation is the concept of bundling data and methods that operate on the data into a single unit.
• Encapsulation helps in hiding the internal state of an object and restricting access to it.

• It allows for better control over the data by preventing direct access from outside the class.

• Encapsulation promotes code reusability and makes the code easier to maintain.

• Example: In a class representing a car, the variables lik...read more
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Apttitude and Basic of CPP

Q1. String reverse program
Ans. 
A program to reverse a string in Java.
• Use StringBuilder class to reverse the string.

• Convert the string to a StringBuilder object, call reverse() method, and convert back to string.

• Example: String str = "hello"; StringBuilder sb = new StringBuilder(str); sb.reverse(); String reversed = sb.toString();
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Q2. Logical questions
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Q3. Project Information
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10 apti questions and 10 technical mcq on cpp

Q1. Oops concept question
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Q2. Sql queries on join
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Oops topic and aptitude

Conducted on Online platform of company
Consisting of aptitude debugging and psuedo codes

Pen and paper round
Consisting of simple output

Q1. It tested aptitude the question was a simple matching the columns of a product delivery process
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Q1. Was both a technical and HRDidn't make it to HR round but it consisted of easy questions only.
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1 round is coding round in pan paper test atleast 5 coding questions and some multiple questions and 1 DSA questions and 4 coding questions correct and dsa correct than interview