Wissen Infotech Workman Interview Questions and Answers

Q1. Java program to split alpha-numeric values without using the split method
Ans. 
Split alpha-numeric values in Java without using split method
• Iterate through each character in the input string

• Check if the character is a digit or a letter using Character.isDigit() and Character.isLetter() methods

• Create separate strings for digits and letters and store them in an array
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Q2. SQL query to add a new column to a table and the column value should have a default value and never be null
Ans. 
Use ALTER TABLE statement to add a new column with a default value and set it to NOT NULL
• Use ALTER TABLE table_name ADD column_name data_type DEFAULT default_value NOT NULL;

• Example: ALTER TABLE employees ADD hire_date DATE DEFAULT '2022-01-01' NOT NULL;
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It was easy test and was able to crack it

Q1. What is Selenium
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Q2. What is test ng
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Q1. What is bug life cycle RTM Cake 🎂 cutting questions
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Q2. Test cases on QR code
Ans. 
Test cases for QR code should cover scanning, decoding, error handling, and compatibility with different devices.
• Verify that the QR code can be scanned successfully using different devices and apps.

• Test the decoding accuracy of the QR code to ensure the correct information is extracted.

• Check for error handling scenarios such as invalid QR codes or damaged codes.

• Test the compatibility of the QR code with various devices
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String reverse program without using built in function

Image upload test cases.

Q1. Oops concept , string manipulation programs , api testing
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Q1. Post api call , java string program
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Tricky question. Regarding java only

Advance queation asked

Grammer , Paragraph reading, coding

Q1. 2 codes based on Java and Data structur
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Q2. Min max SQL query and update salary for single employee
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Q3. What is SDLC, What is STLC etc
Ans. 
SDLC stands for Software Development Life Cycle, which is a process used by software development teams to design, develop, and test high-quality software products. STLC stands for Software Testing Life Cycle, which is a subset of SDLC focused on testing activities.
• SDLC involves planning, designing, coding, testing, and deployment stages

• STLC involves test planning, test design, test execution, and test closure stages

• SDL...read more
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Q1. Salary discussion, location
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Q1. Prepare basic java coding questions
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Q2. Prepare selenium appium automations questions
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