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Confusion regarding hashset, hashmap, hashcode, equals

score 959 · Answer 1 · 2014-11-13T13:39:42.590000

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Confusion regarding hashset, hashmap, hashcode, equals

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

score 405 · Answer 2 · 2014-11-20T16:30:05.793000

char and byte with final access modifier - java

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

score 3291 · Answer 3 · 2014-11-23T12:56:11.113000

Is id = 1 - id atomic?

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

score 109 · Answer 4 · 2014-11-21T15:52:08.573000

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

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

score 1978 · Answer 5 · 2014-11-22T20:12:32.290000

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 678 · Answer 6 · 2013-12-06T22:31:51.620000

Inconsistent behaviour of primitive integer types in Java

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

score 579 · Answer 7 · 2013-12-10T11:15:26.300000

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

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

score 156 · Answer 8 · 2013-12-11T20:13:43.470000

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

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

score 7484 · Answer 9 · 2013-12-12T00:37:24.537000

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 2035 · Answer 10 · 2013-12-16T20:09:13.160000

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

2k views Asked by paniclater At 16 December 2013 at 20:09

score 235 · Answer 11 · 2013-12-17T08:33:25.260000

two threads one synchronize method scjp

235 views Asked by mel3kings At 17 December 2013 at 08:33

score 327 · Answer 12 · 2013-12-17T20:38:48.163000

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

327 views Asked by paniclater At 17 December 2013 at 20:38

score 144 · Answer 13 · 2017-09-03T22:26:51.900000

Confusion with StringBuilder in java

144 views Asked by Amit At 03 September 2017 at 22:26

score 305 · Answer 14 · 2013-08-25T20:41:02.077000

Enthuware Sample - hashCode and equals

305 views Asked by benz At 25 August 2013 at 20:41

score 152 · Answer 15 · 2013-09-11T23:30:32.293000

Confusing while block

152 views Asked by Nirmit Dalal At 11 September 2013 at 23:30

score 72576 · Answer 16 · 2012-01-11T13:02:30.917000

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

72.5k views Asked by Maverick At 11 January 2012 at 13:02

score 6274 · Answer 17 · 2012-01-11T01:31:34.887000

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

6.2k views Asked by user1142130 At 11 January 2012 at 01:31

score 4201 · Answer 18 · 2012-01-25T06:26:45.610000

How does Java handle String objects in memory?

4.2k views Asked by coder_15 At 25 January 2012 at 06:26

score 6668 · Answer 19 · 2013-12-27T20:10:15.420000

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

6.6k views Asked by paniclater At 27 December 2013 at 20:10

score 1856 · Answer 20 · 2014-01-10T15:39:49.207000

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

1.8k views Asked by GabrielBB At 10 January 2014 at 15:39

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

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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