RedBus Interview Questions, Process, and Tips

Q1. Java: oops concepts in java? how do you initialise private elements of a class? Ways to define strings in java? exceptions in java? difference between exception and error? checked and unchecked exception? ...read more
Ans. 
Questions on Java, API testing, Selenium, and SQL
• Java: OOPs concepts, initializing private elements, defining strings, exceptions, difference between exception and error, checked and unchecked exceptions

• API testing: Testing POST query, drawbacks, response codes

• Selenium: Assert vs verify, drawbacks, implicit and dynamic wait, types of testing supported, types of x-path

• SQL: Select query
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Q2. Program: String reverse? count no. of words in given string? swap two np. without temp variable?
Ans. 
Answering programming questions related to string manipulation.
• To reverse a string, use a loop to iterate through the string and append each character to a new string in reverse order.

• To count the number of words in a string, split the string into an array using whitespace as the delimiter and return the length of the array.

• To swap two numbers without a temp variable, use arithmetic operations to perform the swap. For
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Technical Round 2:
what is POJO?
Scenario based questions on selenium testing?
program to print first non repeating character in a string?
Program on substring(),split()
Program to implement linkedHashMap?
what is load balancer?
status code 503 and 505?

The assessment will include fundamental quantitative mathematics, a few output-based questions, query questions, and two coding questions.

Q1. How can you print the output when 1 is added to a given input number?
Ans. 
You can print the output by adding 1 to the given input number and displaying the result.
• Create a variable to store the input number.

• Add 1 to the input number.

• Print the result of the addition.
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Q1. If Payment SR dropped from 78% to 72% how will you do RCA and correct it
Ans. 
I would conduct a Root Cause Analysis (RCA) to identify the reasons for the drop in Payment SR and implement corrective actions.
• Review data trends and patterns to identify any anomalies or correlations

• Interview stakeholders involved in the payment process to gather insights

• Evaluate system performance and potential technical issues

• Analyze customer feedback and complaints related to payments

• Implement corrective actions s...read more
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Q2. Why do you want to change job?
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Q1. Memory management
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Q2. ARC and situation question
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