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Confusion regarding hashset, hashmap, hashcode, equals

score 914 · Answer 1 · 2014-11-13 13:39:42

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Confusion regarding hashset, hashmap, hashcode, equals

914 views Asked by Sagar Byali At 13 November 2014 at 13:39

score 356 · Answer 2 · 2014-11-20 16:30:05

char and byte with final access modifier - java

356 views Asked by Nirav Prajapati At 20 November 2014 at 16:30

score 3242 · Answer 3 · 2014-11-23 12:56:11

Is id = 1 - id atomic?

3.2k views Asked by Adam Stelmaszczyk At 23 November 2014 at 12:56

score 66 · Answer 4 · 2014-11-21 15:52:08

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

66 views Asked by Adam Stelmaszczyk At 21 November 2014 at 15:52

score 1914 · Answer 5 · 2014-11-22 20:12:32

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

1.9k views Asked by Adam Stelmaszczyk At 22 November 2014 at 20:12

score 634 · Answer 6 · 2013-12-06 22:31:51

Inconsistent behaviour of primitive integer types in Java

634 views Asked by Moyshe At 06 December 2013 at 22:31

score 551 · Answer 7 · 2013-12-10 11:15:26

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

551 views Asked by Khalid Abu El-Soud At 10 December 2013 at 11:15

score 100 · Answer 8 · 2013-12-11 20:13:43

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

100 views Asked by paniclater At 11 December 2013 at 20:13

score 7428 · Answer 9 · 2013-12-12 00:37:24

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

7.4k views Asked by paniclater At 12 December 2013 at 00:37

score 1988 · Answer 10 · 2013-12-16 20:09:13

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

1.9k views Asked by paniclater At 16 December 2013 at 20:09

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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