10+ Coditas Technologies Associate Software Engineer Interview Questions and Answers

To pour exactly 9 liters of water into a 12-liter gallon using 5 and 3-liter gallons.

• Fill the 5-liter gallon and pour it into the 12-liter gallon.

• Fill the 5-liter gallon again and pour it into the 12-liter gallon until it is full, leaving 1 liter in the 5-liter gallon.

• Empty the 12-liter gallon and pour the remaining 1 liter from the 5-liter gallon into it.

• Fill the 5-liter gallon again and pour it into the 12-liter gallon to get exactly 9 liters.

There are multiple ways to measure a 3 storeyed building, including using a measuring tape, laser distance meter, or counting the number of steps.

• Using a measuring tape to measure the height of each storey and adding them up.

• Using a laser distance meter to calculate the total height of the building.

• Counting the number of steps from the ground floor to the top floor and multiplying by the height of each step.

• Estimating the height based on the standard height of a storey in the...read more

Two programs to find the occurrence of a letter in a string using arrays and lists.

• For array program, iterate through the string and count the occurrence of the given letter.

• For list program, convert the string to a list and use the count() method to find the occurrence of the given letter.

• Handle edge cases like empty string and invalid input.

Extract numbers from a string of alphanumeric characters.

• Iterate through each character in the string and check if it is a number.

• Build a new string with only the numbers found in the original string.

• Return the final string containing only the numbers.

Finally block is used to execute code after try-catch block, regardless of whether an exception is thrown or not.

• Finally block is optional and follows the catch block.

• It is used to clean up resources like closing files, database connections, etc.

• Finally block is executed even if an exception is not caught.

• It is used to ensure that a certain piece of code is always executed.

• Example: try { //code } catch (Exception e) { //exception handling } finally { //cleanup code }

Sets are unordered collections of unique elements while lists are ordered collections of elements.

• Sets do not allow duplicate elements while lists do.

• Sets do not maintain the insertion order while lists do.

• Sets have faster lookup time for specific elements while lists have faster iteration time.

• Examples of sets in Java include HashSet and TreeSet while examples of lists include ArrayList and LinkedList.

Developed a web-based project management tool for small businesses

• Used PHP and MySQL for backend development

• Implemented a responsive UI using HTML, CSS, and JavaScript

• Included features such as task assignment, progress tracking, and file sharing

• Conducted user testing and incorporated feedback for improvements

Encapsulation, Inheritance, Polymorphism, Abstraction are the four pillars of OOPS

• Encapsulation: Bundling data and methods that operate on the data into a single unit. Example: Class Car with properties like make, model, and methods like start(), stop().

• Inheritance: Ability of a class to inherit properties and behavior from another class. Example: Class SUV inheriting from Class Car.

• Polymorphism: Ability to present the same interface for different data types. Example: Method ...read more

Python is a high-level, interpreted programming language known for its simplicity and readability.

• Python uses indentation to define code blocks, making it easier to read and understand.

• Python has a large standard library with built-in functions and modules for various tasks.

• Python supports multiple programming paradigms, including procedural, object-oriented, and functional programming.

• Python is dynamically typed, meaning variable types are determined at runtime.

• Python is pop...read more