Solitaire Infosys Interview Questions and Answers

Averages, speed, pattern finding, clocks

Q1. Char range in JAVA
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Q2. What will be the output of following code snippet
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Q1. Python, C Programming, HTML, CSS, Java, Data Structure
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Q2. How would you handle exceptions in Python?
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Exceptions in Python are handled using try-except blocks to catch and handle errors gracefully.
• Use try-except blocks to catch and handle exceptions in Python.

• Specify the type of exception to catch or use 'except' to catch all exceptions.

• Use 'finally' block to execute code regardless of whether an exception was raised or not.

• Reraise exceptions using 'raise' keyword within except block if needed.

• Handle specific exception...read more
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Q3. Explain the concept of method overloading and method overriding in Java.
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Method overloading is having multiple methods in the same class with the same name but different parameters. Method overriding is redefining a method in a subclass with the same signature as in the superclass.
• Method overloading allows a class to have multiple methods with the same name but different parameters. Example: void print(int a) and void print(int a, int b).

• Method overriding occurs when a subclass provides a s...read more
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Q4. How would you implement polymorphism in C++?
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Polymorphism in C++ can be implemented using function overloading, function overriding, and virtual functions.
• Use function overloading to have multiple functions with the same name but different parameters.

• Use function overriding to have a function in a derived class with the same name and parameters as a function in the base class.

• Use virtual functions to achieve runtime polymorphism by allowing a function in a base c...read more
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Q5. Explain the difference between == and === operators in JavaScript.
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In JavaScript, == is used for equality comparison, while === is used for strict equality comparison.
• The == operator compares two values for equality, performing type coercion if necessary.

• The === operator compares two values for strict equality, without type coercion.

• Example: 1 == '1' will return true, but 1 === '1' will return false.
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About all these skills and related skills

Q1. Difference between abstraction and encapsulation
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Q2. What is the use of dot operator
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Q1. Pipeline in express
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Pipeline in Express is a series of functions that are executed in a specific order during the request-response cycle.
• Middleware functions are added to the pipeline using app.use() or app.METHOD() functions.

• Each middleware function can modify the request and response objects, or end the request-response cycle.

• Middleware functions can be used for tasks like logging, authentication, error handling, etc.
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