Linkquest Telecom Interview Questions and Answers

Overloading is having multiple methods with the same name but different parameters. Overriding is having a method in a subclass with the same name and parameters as a method in the superclass.

• Overloading is used to provide different ways of calling the same method with different parameters.

• Overriding is used to provide a specific implementation of a method in a subclass that is already defined in the superclass.

• Overloading is resolved at compile-time based on the number and t...read more

The 100 floors puzzle involves finding the highest floor from which an egg can be dropped without breaking.

• Start from the 14th floor and drop the egg. If it breaks, start from the 1st floor and move up one by one. If it doesn't break, move up by 13 floors and repeat the process.

• The optimal solution involves dropping the egg from a certain floor and then adjusting the interval based on whether it breaks or not.

• The worst-case scenario for this puzzle is dropping the egg from ev...read more

Implement Radix sort algorithm without using STL in C++ for array of strings

• Create a helper function to find the maximum length string in the array

• Iterate through each digit place starting from the least significant digit

• Use counting sort to sort the array based on the current digit place

Method overloading is having multiple methods in the same class with the same name but different parameters. Method overriding is having a method in a subclass with the same name and parameters as a method in the superclass.

• Method overloading allows a class to have multiple methods with the same name but different parameters.

• Method overriding occurs when a subclass provides a specific implementation of a method that is already provided by its superclass.

• Example of method over...read more

ERD diagram for a school database

• Entities: Student, Teacher, Course, Classroom

• Relationships: Student enrolls in Course, Teacher teaches Course, Course assigned to Classroom

• Attributes: Student ID, Teacher ID, Course ID, Classroom ID

Index is a database object that improves the speed of data retrieval operations.

• Indexes are created on one or more columns of a table.

• They can be clustered or non-clustered.

• Clustered indexes determine the physical order of data in a table.

• Non-clustered indexes have a separate structure that includes the indexed columns and a pointer to the actual data.

• Indexes can be created using CREATE INDEX statement.

• Indexes can also be dropped using DROP INDEX statement.