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Use Java code to replace a character in a string.
Use the replace() method to replace a character in a string.
Specify the character to be replaced and the character to replace it with.
Example: String str = "hello"; str = str.replace('e', 'a'); // Output: hallo
I applied via Naukri.com and was interviewed in Oct 2020. There was 1 interview round.
posted on 10 Nov 2015
What people are saying about Enquero
I appeared for an interview before Oct 2020.
Round duration - 40 minutes
Round difficulty - Medium
Asked about time complexity of algorithm, puzzles, DBMS, cutting edge technologies etc. What are indexes?
Given an array of integers ARR
of size N, consisting of 0s and 1s, you need to select a sub-array and flip its bits. Your task is to return the maximum count of 1s that can b...
Given an array of 0s and 1s, find the maximum count of 1s by flipping a sub-array at most once.
Iterate through the array and keep track of the maximum count of 1s obtained by flipping a sub-array.
Consider flipping a sub-array from index i to j and calculate the count of 1s in the resulting array.
Return the maximum count of 1s obtained by flipping a sub-array at most once.
Round duration - 20 minutes
Round difficulty - Medium
Asked 1 standard algorithm
You are provided with a 2-dimensional matrix having N
rows and M
columns, containing only 1s (land) and 0s (water). Your goal is to determine the number of islands in t...
Count the number of islands in a 2D matrix of 1s and 0s.
Iterate through the matrix and perform depth-first search (DFS) to find connected 1s.
Mark visited cells to avoid redundant traversal.
Increment island count whenever a new island is encountered.
Tip 1 : prepare for competitive programming
Tip 2 : know about standard algorithm
Tip 3 : must be good with dbms
Tip 1 : must have projects, which you can explain to them
Tip 2 : have things on resume, that you are totally certain about.
I applied via Campus Placement and was interviewed before Oct 2022. There were 5 interview rounds.
Technical interview where DSA questions were asked
I applied via Referral and was interviewed in Jun 2024. There was 1 interview round.
Print highest salary of an employee using coding
Create an array of employee salaries
Sort the array in descending order
Print the first element of the sorted array as the highest salary
posted on 12 Dec 2024
I applied via Job Portal and was interviewed in Feb 2024. There was 1 interview round.
posted on 22 Jan 2023
I applied via Campus Placement and was interviewed in Jul 2022. There were 4 interview rounds.
Aptitude+coding was asked. Consider this as the very important selection criteria
Design test . Its very likely to be easy
based on 1 interview experience
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