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HCLTech - Australia and New Zealand Software Engineer Interview Questions

The questions to prepare for a HCLTech - Australia and New Zealand Software Engineer interview. Questions from real interview reports rank first. Updated daily.

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1
CodingStart here. 5 questions · ~63 min
Rank vs Dense_RankMedium
Practice
Recently asked

Implement descending RANK and DENSE_RANK behavior for a list of scores, including correct handling of ties.

CodingArraysAlgorithmsHHCLTech - Australia and New Zealand
Array Frequency CountingEasy
Practice
Recently asked

Count each distinct array value with a hash map and return a frequency dictionary.

frequency countArraysProgrammingHHCLTech - Australia and New Zealand
Interface vs Abstract Class in JavaMedium
Recently asked

Tests Java type system knowledge and practical differences in usage.

javaHHCLTech - Australia and New Zealand
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2
More topics6 questions · ~75 min
SQL Query OptimizationMedium
Practice
Recently asked

Optimize a slow PostgreSQL query that aggregates completed transactions while preserving customers with no matching activity.

Performance Tuningdatabase optimizationindexesHHCLTech - Australia and New Zealand
Performance TuningMedium
Recently asked

Tests your approach to identifying bottlenecks and tuning application performance.

Performance TuningDevOpsHHCLTech - Australia and New Zealand
Explain the Four Pillars of OOPEasy
Recently asked

Tests understanding of core object-oriented programming concepts.

javaoopHHCLTech - Australia and New Zealand
Production Exception HandlingMedium
Recently asked

Evaluates system reliability practices and error management.

javaproductionHHCLTech - Australia and New Zealand
Technology Choice JustificationMedium
Recently asked

Assesses decision-making and criteria for technology selection.

Decision Makingproject experienceHHCLTech - Australia and New Zealand
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Hands-on SQL practiceWrite and run real queries in the editor. 2 drills · ~20 min
SQL Queries for RankingMedium
Practice
Practice drill

Rank active HSBC employees by division and return every employee tied for the highest or second-highest salary.

javasqlHsbc
Fixing Slow SQL QueriesMedium
Practice
Practice drill

Write an optimized PostgreSQL query that aggregates qualifying Citi account transactions efficiently.

Performance Tuningdatabase optimizationindexesCiti
The finish line: interview-readyComplete all 11 questions plus 2 hands-on drills to finish this plan.