DXC Technology Java Developer Interview Questions and Answers

Round duration - 180 Minutes
Round difficulty - Medium

The test was started in the evening 4pm approx.
It was flexible due to Corona so we gave the test from our home only.
It had listening skill activity too according to which we were marked .
Interviewer was very supportive because of which it was easier for us to open up easily .

Q1. 
Arithmetic Expression Evaluation Problem Statement
You are provided with a string expression consisting of characters '+', '-', '*', '/', '(', ')' and digits '0' to '9', representing an arithmetic express...read more
Ans. 
Evaluate arithmetic expressions in infix notation with given operators and precedence rules.
• Parse the infix expression to postfix using a stack and then evaluate the postfix expression using another stack

• Use a stack to keep track of operators and operands while parsing the expression

• Handle operator precedence and associativity rules while converting to postfix and evaluating the expression
Answered by AI
Add your answer
Q2. 
Valid Parentheses Problem Statement
Given a string 'STR' consisting solely of the characters “{”, “}”, “(”, “)”, “[” and “]”, determine if the parentheses are balanced.
Input:
The first line contains an...read more
Ans. 
The task is to determine if a given string of parentheses is balanced or not.
• Iterate through the characters of the string and use a stack to keep track of opening parentheses.

• When encountering an opening parenthesis, push it onto the stack. When encountering a closing parenthesis, check if it matches the top of the stack.

• If the stack is empty at the end or there are unmatched parentheses, the string is not balanced.

• Exa...read more
Answered by AI
Add your answer

Round duration - 20 Minutes
Round difficulty - Medium

Interview

Q1. 
Reverse Number Problem Statement
Ninja is exploring new challenges and desires to reverse a given number. Your task is to assist Ninja in reversing the number provided.
Note:
If a number has trailing ze...read more
Ans. 
Implement a function to reverse a given number, omitting trailing zeros.
• Create a function that takes an integer as input and reverses it while omitting trailing zeros

• Use string manipulation to reverse the number and remove any trailing zeros

• Handle test cases where the number has leading zeros as well

• Ensure the reversed number is printed for each test case on a new line
Answered by AI
Add your answer

Q1. Java. Spring boot, micro service, hibernate
Add your answer

Q1. Salary, technical, company details
Add your answer

Basic grammar questions

Q1. Communication test like tell me something about yourself
Add your answer

Q1. What is device manager
Ans. 
Device Manager is a tool in Windows that allows users to view and manage hardware devices installed on their computer.
• It displays a list of all the hardware devices connected to the computer.

• Users can update, disable, or uninstall device drivers using Device Manager.

• It can be accessed by right-clicking on the Windows Start button and selecting Device Manager.

• Common hardware devices listed in Device Manager include netw
Answered by AI
View 2 more answers
Q2. How to uninstall/install a software
Ans. 
Uninstalling/installing software involves different steps depending on the operating system used.
• For Windows, go to Control Panel > Programs and Features > select the software > click Uninstall

• For Mac, drag the software to the Trash or use a third-party uninstaller app

• For Linux, use the package manager or command line to uninstall/install software

• Make sure to save any important data before uninstalling software

• Always d...read more
Answered by AI
View 2 more answers
Q3. Basic laptop troubleshooting related questions
Add your answer

Q1. Why you want to join the organisation
Add your answer
Q2. Any salary expectations
Add your answer