Great Developers Infotech Interview Questions and Answers

30 question in 30 min of Quant.

They gave me 3 coding questions including one SQL query.
Questions difficulty was easy.

Q1. Explain Turnary operators in Java.
Ans. 
Ternary operators in Java are shorthand for if-else statements, with syntax: condition ? expression1 : expression2
• Ternary operator is used to assign a value to a variable based on a condition

• Syntax: condition ? expression1 : expression2

• Example: int x = (a > b) ? a : b;
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Q2. What is Method Overloading?
Ans. 
Method overloading is the ability to define multiple methods with the same name but different parameters in a class.
• Allows multiple methods with the same name but different parameters

• Parameters can differ in number, type, or order

• Helps improve code readability and reusability
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Q3. Explain Code logic of find minimum of from the array.
Ans. 
Find the minimum value from an array of strings using code logic.
• Convert the array of strings to an array of integers for comparison.

• Initialize a variable with a very large value as the initial minimum.

• Iterate through the array and update the minimum value if a smaller value is found.
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Q1. Tell me your technical expertise
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Q2. Ternary operator
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Q3. Find minimum element of an array Exception handling abstract class and abstract method Swap two numbers without third variable
Ans. 
Find minimum element in an array, implement exception handling, and swap two numbers without a third variable.
• To find the minimum element in an array, iterate through the array and keep track of the smallest element found so far.

• Implement exception handling by creating an abstract class with abstract methods for handling different types of exceptions.

• To swap two numbers without a third variable, use arithmetic operatio...read more
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Some basic aptitude ques

Q1. Which class is used to prevent method overriding
Ans. 
The 'sealed' class in C# prevents method overriding in derived classes, ensuring method behavior remains unchanged.
• The 'sealed' keyword is used in C# to prevent a class from being inherited.

• When a method in a class is marked as 'sealed', it cannot be overridden in any derived class.

• Example: 'sealed class MyClass { public virtual void MyMethod() { } }' prevents overriding MyMethod in derived classes.

• Sealed classes can i...read more
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It was a nice experience

Q1. Tell me about yourself
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Q1. Basic questions based on oops
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