Coforge Software Developer Interview Questions, Process, and Tips

A prime number is a number that is only divisible by 1 and itself.

• Start by checking if the number is less than 2, as prime numbers start from 2.

• Use a loop to check if the number is divisible by any number from 2 to the square root of the number.

• If the number is divisible by any of these numbers, it is not prime.

• If the number is not divisible by any of these numbers, it is prime.

To change the name of the third person in a table with 4-5 names.

• Access the table

• Identify the third person's name

• Replace the name with the new name

Sum of numbers in a string with alphabets.

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

• If it is a number, add it to a running total.

• Return the total sum of all numbers in the string.

Abstract classes are classes that cannot be instantiated and can have both abstract and non-abstract methods. Interfaces are contracts that define the methods that a class must implement.

• Abstract classes can have constructors while interfaces cannot

• A class can implement multiple interfaces but can only inherit from one abstract class

• Abstract classes can have instance variables while interfaces cannot

• Interfaces can have...read more