Panasonic Android Developer Interview Questions and Answers for Freshers

They ask to many technical question and ask to code also

They ask for your background and thing you learnt in your past

Round duration - 90 Minutes
Round difficulty - Medium

It was in the morning at our institute. There were technical and aptitude problems.

Q1. 
Star Pattern Generation
Develop a function to print star patterns based on the given number of rows 'N'. Each row in the pattern should follow the format demonstrated in the example.
The picture illustra...read more
Ans. 
Function to print star patterns based on the given number of rows 'N'.
• Iterate through each row from 1 to N

• For each row, print spaces (N-row) followed by stars (2*row-1)

• Repeat until all rows are printed
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Round duration - 30 Minutes
Round difficulty - Medium

It was actually a Techno HR round. I was asked some technical questions about OS, OOPS, COMPUTER NETWORKING, WEB DEVELOPMENT. He went through my whole resume, asked about all the projects and past working experiences. The interviewer was really good, we talked about so many other topics, from Women empowerment to Water Crises. I felt really confident while speaking because he made me so comfortable.

Q1. 
Selection Sort Algorithm
Selection sort is a sorting technique that works by repeatedly finding the minimum element (considering ascending order) from the unsorted part and placing it at the beginning of ...read more
Ans. 
Selection Sort Algorithm sorts an array by repeatedly finding the minimum element and placing it at the beginning of the unsorted part.
• Iterate through the array to find the minimum element and swap it with the first unsorted element.

• Repeat this process for each element in the array until it is fully sorted.

• Time complexity of Selection Sort is O(n^2) making it inefficient for large arrays.
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Round duration - 120 minutes
Round difficulty - Easy

Round duration - 90 minutes
Round difficulty - Medium

The round contains mcqs on core java , javascript , oops and two coding questions of data structures.
The exam was at 7pm
Platform was good

Q1. 
Submatrix Sum Query
Given a 2-dimensional array ARR with 'N' rows and 'M' columns, and a set of queries in a 2-dimensional array Queries of size 'K', each query contains four integers that denote the top-...read more
Ans. 
Given a 2D array and a set of queries, find the sum of elements within specified submatrices for each query.
• Parse input to get array dimensions, elements, and queries

• Iterate through queries and calculate sum of elements within specified submatrix

• Output the sum for each query
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Q2. 
String Rotation Problem Statement
You are given a string named str and an integer D. Your task is to perform both left (anticlockwise) and right (clockwise) rotations on the given string by D units, start...read more
Ans. 
Implement functions to perform left and right rotations on a given string by a specified number of positions.
• Implement a function leftRotate() to perform left rotation on the string by D units.

• Implement a function rightRotate() to perform right rotation on the string by D units.

• Return the modified string after each rotation.

• Ensure to handle cases where D can be greater than the length of the string.
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Q1. About your current company & your role in there, major activity of your which helping your department.
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Q2. Draw some case study & explain improvements which you have done there
Ans. 
Improved efficiency of production line at XYZ manufacturing plant
• Implemented lean manufacturing principles to reduce waste and increase productivity

• Introduced automation in certain processes to reduce manual labor and increase accuracy

• Optimized supply chain management to ensure timely delivery of raw materials

• Trained and empowered employees to identify and solve problems on the production line

• Implemented a continuous i...read more
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