Allianz Technology QA Engineer Interview Questions and Answers

String reverse program without using built in function

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Q1. Explain Java OOPS concepts
Ans. 
Java OOPS concepts include inheritance, encapsulation, polymorphism, and abstraction.
• Inheritance: Allows a class to inherit properties and behavior from another class.

• Encapsulation: Bundling data and methods that operate on the data into a single unit.

• Polymorphism: Ability to present the same interface for different data types.

• Abstraction: Hiding the implementation details and showing only the necessary features.
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Q1. OOPS concepts explain
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OOPS concepts are fundamental principles in object-oriented programming that help in organizing and designing code efficiently.
• Encapsulation: Bundling data and methods that operate on the data into a single unit (class).

• Inheritance: Allowing a class to inherit properties and behavior from another class.

• Polymorphism: Ability of objects to take on multiple forms or behaviors.

• Abstraction: Hiding the complex implementation...read more
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Q1. Find Duplicates in String,Java Concepts,oops concepts
Ans. 
To find duplicates in a string using Java concepts and OOPs concepts.
• Convert the string to an array of characters.

• Create a HashMap to store the characters as keys and their count as values.

• Iterate through the array and update the count in the HashMap.

• Iterate through the HashMap and print the characters with count greater than 1.
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Q1. WHat are object litrals
Ans. 
Object literals are a way to define objects in JavaScript using a simple syntax of key-value pairs.
• Defined using curly braces: `{ key: value }`.

• Keys can be strings or identifiers, e.g., `{ name: 'John', age: 30 }`.

• Values can be any data type: strings, numbers, arrays, functions, etc.

• Example: `const person = { name: 'Alice', greet: function() { return 'Hello'; } };`.

• Supports nested objects: `const car = { make: 'Toyota'...read more
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Q2. Code to find prime number
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A prime number is a natural number greater than 1 that cannot be formed by multiplying two smaller natural numbers.
• A prime number has exactly two distinct positive divisors: 1 and itself.

• Examples of prime numbers include 2, 3, 5, 7, 11, and 13.

• The number 1 is not considered a prime number.

• To check if a number n is prime, test divisibility from 2 to the square root of n.

• If n is divisible by any number in that range, it ...read more
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Q1. Regression testing
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Q2. Defect cycle
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Q1. Regression testing
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Q2. Defect cycle
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