Ojman Technologies Softwaretest Engineer Interview Questions and Answers

2 hrs probablity questions

Q1. Find max element from array
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Q2. Binary seeach algo
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Find the dominations

Q1. Implement min stack
Ans. 
Implement a stack that supports finding the minimum element in constant time.
• Create a stack to store elements and another stack to store minimum values.

• When pushing an element, check if it is smaller than the current minimum and push it to the min stack if so.

• When popping an element, check if it is the current minimum and pop from the min stack if so.

• To get the minimum element, simply return the top element of the min
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Q2. Find the lca of a given nodes
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The lowest common ancestor (LCA) of two nodes in a tree is the shared ancestor that is located farthest from the root.
• Traverse the tree from the root to find the paths from the root to each node.

• Compare the paths to find the last common node between the two paths, which is the LCA.

• If one node is an ancestor of the other, return that node as the LCA.
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Q1. Java Concepts and coding
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Q2. Seleniun Concepts and examples
Ans. 
Selenium is a popular automation testing tool used for web applications.
• Selenium is used for automating web browsers.

• It supports multiple programming languages like Java, Python, C#, etc.

• Selenium WebDriver is the most commonly used component for writing test scripts.

• Selenium Grid is used for parallel testing across different browsers and environments.
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Q1. What is angular
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Q2. Javascriptframework
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Q1. Write Java program to print factorial or number.
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Q1. Difference between veification and validation
Ans. 
Verification ensures the product is built right, while validation ensures the right product is built.
• Verification focuses on process of building the product correctly

• Validation focuses on whether the product meets the customer's needs and requirements

• Verification is done before validation

• Examples: Verification - code reviews, walkthroughs, inspections; Validation - testing, user feedback
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Q2. Write mcdc for a requirement
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MCDC testing involves creating test cases that ensure every condition in a decision has been tested at least once.
• Identify all conditions in the decision

• Create test cases that cover all possible combinations of conditions

• Ensure each condition is tested at least once in each test case
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Im in freshar in BE engineering is complete

Coding test in second round

C programming, microcomputer

Nice test easy to moderate elimination round

Two to three coding questions easy to medium

Q1. Moderate technical interview round
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Q2. Oops basic concepts inheritance
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Q3. Two puzzle type interview questions.easy to medium
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Q1. Pretty good hr roung
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