Question

Confusion regarding hashset, hashmap, hashcode, equals

score 941 · Answer 1 · 2025-01-03 22:04:59

941

Views

Confusion regarding hashset, hashmap, hashcode, equals

Published on 03 January 2025 at 22:04

score 380 · Answer 2 · 2024-12-30 07:51:08

380

Views

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 93 · Answer 4 · 2025-01-03 22:19:15

93

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 647 · Answer 6 · 2025-01-03 22:08:23

647

Views

Inconsistent behaviour of primitive integer types in Java

Published on 03 January 2025 at 22:08

score 573 · Answer 7 · 2025-01-03 22:12:44

573

Views

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

Published on 03 January 2025 at 22:12

score 124 · Answer 8 · 2025-01-03 22:19:14

124

Views

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

Published on 03 January 2025 at 22:19

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

7.4k

Views

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

Published on 06 January 2025 at 15:02

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

2k

Views

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

Published on 03 January 2025 at 06:18

score 229 · Answer 11 · 2025-01-03 21:56:14

229

Views

two threads one synchronize method scjp

Published on 03 January 2025 at 21:56

score 311 · Answer 12 · 2025-01-03 23:09:03

311

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 128 · Answer 13 · 2025-01-03 21:58:26

128

Views

Confusion with StringBuilder in java

Published on 03 January 2025 at 21:58

score 284 · Answer 14 · 2025-01-03 21:58:24

284

Views

Enthuware Sample - hashCode and equals

Published on 03 January 2025 at 21:58

score 117 · Answer 15 · 2025-01-06 00:15:10

117

Views

Confusing while block

Published on 06 January 2025 at 00:15

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

72.5k

Views

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

Views

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

Views

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

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?

Trending Questions

Popular # Hahtags

Popular Questions