Unify Technologies QA Engineer Interview Questions and Answers

Q1. 1. add string value
Ans. 
Adding a string value typically involves concatenation or appending to an existing string in programming languages.
• Concatenation: You can combine two strings using the '+' operator in languages like JavaScript. Example: 'Hello' + ' World' results in 'Hello World'.

• String Interpolation: Some languages allow embedding variables within strings. Example in Python: f'Hello {name}' where name is a variable.

• Using String Method...read more
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Q2. 2. add integer value
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Adding integer values involves simple arithmetic operations, often used in programming and data manipulation.
• Basic Addition: The simplest form of adding integers is using the '+' operator, e.g., 5 + 3 = 8.

• Using Functions: In programming, you can create a function to add integers, e.g., function add(a, b) { return a + b; }.

• Handling Edge Cases: Consider scenarios like adding negative integers, e.g., -2 + 3 = 1.

• Data Types...read more
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Write a function that prints the numbers from 1 to 100. However, for multiples of three, print "Fizz" instead of the number, and for multiples of five, print "Buzz." For numbers that are multiples of both three and five, print "FizzBuzz."

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Q2. Foriegn key Primary key
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Q1. Promises write the
Ans. 
Promises in JavaScript represent the eventual completion or failure of an asynchronous operation.
• A Promise can be in one of three states: pending, fulfilled, or rejected.

• Example: const myPromise = new Promise((resolve, reject) => { /* async code */ });

• Promises allow chaining with .then() for success and .catch() for errors.

• Example: myPromise.then(result => console.log(result)).catch(error => console.error(erro...read more
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Q2. Promises.alll how is used
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General and basic data structure question

Q1. Coding over the video call
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Q2. Java programs for strings , palindrome etc
Ans. 
Java programs for strings, palindrome, etc.
• Use the StringBuilder class to manipulate strings efficiently.

• To check if a string is a palindrome, compare it with its reverse.

• To count the occurrences of a substring in a string, use the indexOf method in a loop.

• To split a string into an array of substrings, use the split method.
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Q3. Projects questions on which you have worked
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Q4. Explanation skill will also be considered
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Q1. Question on linkedlist, remove duplicates
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Q2. House robber 2,3
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Duration 1 hr, Coding,GK and English