Fibonnaci numbers generation
Software Applications Engineer Interview Questions
6,897 software applications engineer interview questions shared by candidates
Round 2 ● Write a program to eliminate duplicate occurance of a character in a string and display '*' representing the count of each character as shown below. String: MOHAMMED SHAKIR Output: 'M' 'O' 'H' 'A' 'E' 'D' ' ' 'S' 'K' 'I' 'R' * * * * * * * * * * * * * * *
● There are M sets and each set has N1, N2,...NM number of elements respectively. Write a program to display all the combination of elements of each group. Example: {Red, Blue, Green} {XL, L, M, S} {Shirt, Kurtha} Output: Red XL Shirt Red Xl Kurta
● In a Car Stock Market, The Rate of the car varies every hour, It either increases or decreases on time. Find an algorithm for analysing a day's price chart and dispaying the efficient time of buying and selling of a car. Example: 10AM 11AM 12PM 1PM 2PM 10 5 3 7 1 Buy at 12PM and sell at 1PM Implement with complexity O(n)
First round interview question: Write a JAVA program to print a matrix as a spiral.
architecture of my application. 6) lazy loading. 7) which is the primary key in the below table - u prefer? Village no shop no 100 1 100 2 101 1 101 2 8) how do u declare composite key in hibernate? 8)what is the difference between interface /abstractio(when do u use them). 9) which is more better approach (inf / abstrract) 10)what are Design patterns u know ? 11)String literal pool - String A="R"; A=A+"P"; What happens to string "R"(first initialization) - 12)public jre / private jre. 13)new features in 1.7 (only 1.7) 14)concurrent package. 15)Difference between ReEntrant lock and synchronized block. 16)any issues in project? - how u handeled? 17) how did u find which class has memory issue? 18)Why Map interface ? 19) sort Arralist od strings. 20) equals and hashcode? 21) comaparator's compare method does the comaprision on what objects? (ob1 and ob2???) 22)difference between session.get() and session.load() 23)Name the classes you have written in your project. 24) String A="ORACLE Financial Services" String B = "ORACLE"; find B in String A? 25) customized Exception? - have you written any? 26) can a abstract class be final? 27) why /what /how multithreading ?
Question that need prolonged thinking was : How do you implement singleton pattern without using Private variable
Most Questions are from DB only. But they have also asked questions from JAVA,C,OS,Web Technology(Some Very Basic questions). In DBMS they started like “I am organising a Sports days event. Some events are solo events and some events are Group events.” So I have to design a table to manage the info reg the participants and also they gave some scenarios . One cannot participate more than 3 events maximum of 1 group event and 2 solo event. For the Group Events only 12 teams are allowed.
Take 2 matrix as 1D array and perform matrix multiplication in 1D array only
Not many questions to be frank !!! They asked about third-year summer training project which was mostly related to chemical engineering so the interviewer became disinterested. Interview ended abruptly.
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