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Confusion regarding hashset, hashmap, hashcode, equals

score 921 · Answer 1 · 2025-01-03 22:04:59

5

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921

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Confusion regarding hashset, hashmap, hashcode, equals

921 views Asked by Sagar Byali At 03 January 2025 at 22:04

score 366 · Answer 2 · 2024-12-30 07:51:08

char and byte with final access modifier - java

366 views Asked by Nirav Prajapati At 30 December 2024 at 07:51

score 3243 · Answer 3 · 2025-01-03 21:46:17

Is id = 1 - id atomic?

3.2k views Asked by Adam Stelmaszczyk At 03 January 2025 at 21:46

score 75 · Answer 4 · 2025-01-03 22:19:15

Methods that don't change a variable's value need to be synchronized if they accessed the variable

75 views Asked by Adam Stelmaszczyk At 03 January 2025 at 22:19

score 1922 · Answer 5 · 2025-01-02 08:40:27

x = x++ doesn't increment because the ++ is applied after the assignment?

1.9k views Asked by Adam Stelmaszczyk At 02 January 2025 at 08:40

score 626 · Answer 6 · 2025-01-03 22:08:23

Inconsistent behaviour of primitive integer types in Java

626 views Asked by Moyshe At 03 January 2025 at 22:08

score 554 · Answer 7 · 2025-01-03 22:12:44

what is better ... OCJA7 then OCJP7 or SCJP6 then upgrade to OCJP7?

554 views Asked by Khalid Abu El-Soud At 03 January 2025 at 22:12

score 104 · Answer 8 · 2025-01-03 22:19:14

If I have several Strings formatted differently do I need a separate instance of DateFormat to parse each String?

104 views Asked by paniclater At 03 January 2025 at 22:19

score 7431 · Answer 9 · 2025-01-06 15:02:47

Why can't I handle Exception e with try / catch clause?

7.4k views Asked by paniclater At 06 January 2025 at 15:02

score 2001 · Answer 10 · 2025-01-03 06:18:20

Why do static and instance init blocks in Enums behave differently from those in Classes

2k views Asked by paniclater At 03 January 2025 at 06:18

TechQA.

List Question

Confusion regarding hashset, hashmap, hashcode, equals

char and byte with final access modifier - java

Is id = 1 - id atomic?

Methods that don't change a variable's value need to be synchronized if they accessed the variable

x = x++ doesn't increment because the ++ is applied after the assignment?

Inconsistent behaviour of primitive integer types in Java

what is better ... OCJA7 then OCJP7 or SCJP6 then upgrade to OCJP7?

If I have several Strings formatted differently do I need a separate instance of DateFormat to parse each String?

Why can't I handle Exception e with try / catch clause?

Why do static and instance init blocks in Enums behave differently from those in Classes

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