Interview Topics

2,466 questions across 23 chapters. Pick a chapter to start.

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01Core Java32 topics170
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02OOP21 topics32
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03Collections29 topics67
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04Exception Handling4 topics28
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05Concurrency & Multithreading65 topics127
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06Java Streams, Lambda & Functional Programming30 topics328
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07Spring & Spring Boot8 topics26
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08Transactions5 topics32
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09JPA & Hibernate32 topics69
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10Microservices105 topics194
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11Kafka & Messaging38 topics91
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12DevOps, CI/CD & Tooling15 topics133
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13Database & SQL75 topics141
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14REST API & Web8 topics40
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15Design Patterns & LLD10 topics57
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16Advanced Java6 topics71
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17Coding Problems: DSA19 topics492
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18AWS & Cloud13 topics41
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19Data Engineering12 topics194
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20QA, Testing & SDET9 topics41
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21System Design6 topics35
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22Security4 topics20
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23Behavioral / HR: STAR Method8 topics37
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01Core Java32 topics · 170 questions02OOP21 topics · 32 questions03Collections29 topics · 67 questions04Exception Handling4 topics · 28 questions05Concurrency & Multithreading65 topics · 127 questions06Java Streams, Lambda & Functional Programming30 topics · 328 questions07Spring & Spring Boot8 topics · 26 questions08Transactions5 topics · 32 questions09JPA & Hibernate32 topics · 69 questions10Microservices105 topics · 194 questions11Kafka & Messaging38 topics · 91 questions12DevOps, CI/CD & Tooling15 topics · 133 questions13Database & SQL75 topics · 141 questions14REST API & Web8 topics · 40 questions15Design Patterns & LLD10 topics · 57 questions16Advanced Java6 topics · 71 questions17Coding Problems: DSA19 topics · 492 questions18AWS & Cloud13 topics · 41 questions19Data Engineering12 topics · 194 questions20QA, Testing & SDET9 topics · 41 questions21System Design6 topics · 35 questions22Security4 topics · 20 questions23Behavioral / HR: STAR Method8 topics · 37 questions