Question

Confusion regarding hashset, hashmap, hashcode, equals

score 932 · Answer 1 · 2025-01-03 22:04:59

932

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Confusion regarding hashset, hashmap, hashcode, equals

Published on 03 January 2025 at 22:04

score 374 · Answer 2 · 2024-12-30 07:51:08

374

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char and byte with final access modifier - java

Published on 30 December 2024 at 07:51

score 3.2k · Answer 3 · 2025-01-03 21:46:17

3.2k

Views

Is id = 1 - id atomic?

Published on 03 January 2025 at 21:46

score 86 · Answer 4 · 2025-01-03 22:19:15

86

Views

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

Published on 03 January 2025 at 22:19

score 1.9k · Answer 5 · 2025-01-02 08:40:27

1.9k

Views

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

Published on 02 January 2025 at 08:40

score 637 · Answer 6 · 2025-01-03 22:08:23

637

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Inconsistent behaviour of primitive integer types in Java

Published on 03 January 2025 at 22:08

score 565 · Answer 7 · 2025-01-03 22:12:44

565

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Published on 03 January 2025 at 22:12

score 115 · Answer 8 · 2025-01-03 22:19:14

115

Views

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Published on 03 January 2025 at 22:19

score 7.4k · Answer 9 · 2025-01-06 15:02:47

7.4k

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Published on 06 January 2025 at 15:02

score 2k · Answer 10 · 2025-01-03 06:18:20

2k

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Published on 03 January 2025 at 06:18

score 224 · Answer 11 · 2025-01-03 21:56:14

224

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two threads one synchronize method scjp

Published on 03 January 2025 at 21:56

score 305 · Answer 12 · 2025-01-03 23:09:03

305

Views

How can I make a public static unsynchronized getInstance() method return multiple instances of a private static reference variable to an object?

Published on 03 January 2025 at 23:09

score 123 · Answer 13 · 2025-01-03 21:58:26

123

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Confusion with StringBuilder in java

Published on 03 January 2025 at 21:58

score 279 · Answer 14 · 2025-01-03 21:58:24

279

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Enthuware Sample - hashCode and equals

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score 111 · Answer 15 · 2025-01-06 00:15:10

111

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Confusing while block

Published on 06 January 2025 at 00:15

score 72.5k · Answer 16 · 2024-12-30 05:49:03

72.5k

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Why does Double.NaN==Double.NaN return false?

Published on 30 December 2024 at 05:49

score 6.2k · Answer 17 · 2025-01-03 22:19:13

6.2k

Views

Is it true that if you don't specify an access modifier for an interface, that interface will have default access

Published on 03 January 2025 at 22:19

score 4.1k · Answer 18 · 2025-01-03 22:00:28

4.1k

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How does Java handle String objects in memory?

Published on 03 January 2025 at 22:00

score 6.6k · Answer 19 · 2025-01-03 22:12:44

6.6k

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Published on 03 January 2025 at 22:12

score 1.8k · Answer 20 · 2025-01-03 22:18:43

1.8k

Views

Why concatenating two Strings and passing it as argument does not create a new String Object?

Published on 03 January 2025 at 22:18

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

two threads one synchronize method scjp

How can I make a public static unsynchronized getInstance() method return multiple instances of a private static reference variable to an object?

Confusion with StringBuilder in java

Enthuware Sample - hashCode and equals

Confusing while block

Why does Double.NaN==Double.NaN return false?

Is it true that if you don't specify an access modifier for an interface, that interface will have default access

How does Java handle String objects in memory?

How to call a specific parent constructor from anonymous inner class?

Why concatenating two Strings and passing it as argument does not create a new String Object?

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