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 ?
Candidatei-me por meio de uma faculdade ou universidade. O processo levou 1 dia. Fui entrevistado pela Oracle (Kānpur, Uttar Pradesh) em dez. de 2025
Entrevista
3 rounds. Round 1-dsa, sql, overall system architecture for similar system to makemyshow, sorting algos. Round-2 dsa, database designing. Round-3 all questions purely on resume. Plus, one small hr round
Perguntas de entrevista [1]
Pergunta 1
Database(tables n attributes and all) designing for automation of library.
OA round , 2 technical rounds , 1 HR round , In technical round foucys on projects and dsa . Asked meduim to difficult questions. Rounds were medium level only . It was on campus interview
They asked me one question on DSA, OOPs concept and SQL.
They asked me to write the code and then explain it.
And also had a discussion on one of the project.
Perguntas de entrevista [1]
Pergunta 1
DSA question was to rotate a matrix in clock wise and anti clock wise direction alternatively.
