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Senior Java Developer Interview Questions

"Senior developers have years of experience in Java and have the knowledge and communication skills to mentor other developers. Companies prioritize strong technical skills and questions will focus on problem solving and critical thinking. A bachelor's degree in computer science or a related field, along with years of industry experience are standard."

5,296 senior java developer interview questions shared by candidates

Question 1: Given two sorted arrays, the task is to merge them in a sorted manner. Input: arr1[] = { 1, 3, 4, 5}, arr2[] = {2, 4, 6, 8} Output: arr3[] = {1, 2, 3, 4, 4, 5, 6, 8} Input: arr1[] = { 5, 8, 9}, arr2[] = {4, 7, 8} Output: arr3[] = {4, 5, 7, 8, 8, 9} Question 2 : Object[] array = { 1, 2, new Object[]{ 3, 4, new Object[]{ 5 }, 6, 7 }, 8, 9, 10, new Object[]{ 11,12} }; Integer[] flattenedArray = flatten(array); complete flatten array function to get the output array as [1,2,3,4,5,6,7,8,9]
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Senior Java Developer

Interviewed at Wissen Infotech

3.8★
Jan 9, 2025

Question 1: Given two sorted arrays, the task is to merge them in a sorted manner. Input: arr1[] = { 1, 3, 4, 5}, arr2[] = {2, 4, 6, 8} Output: arr3[] = {1, 2, 3, 4, 4, 5, 6, 8} Input: arr1[] = { 5, 8, 9}, arr2[] = {4, 7, 8} Output: arr3[] = {4, 5, 7, 8, 8, 9} Question 2 : Object[] array = { 1, 2, new Object[]{ 3, 4, new Object[]{ 5 }, 6, 7 }, 8, 9, 10, new Object[]{ 11,12} }; Integer[] flattenedArray = flatten(array); complete flatten array function to get the output array as [1,2,3,4,5,6,7,8,9]

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