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Top Questions
216
votes
When do Java generics require <? extends T> instead of <T> and is there any downside of switching?
java
generics
junit
asked May 22 '09 at 13:48
stackoverflow.com
103
votes
Is SecureRandom thread safe?
java
thread-safety
asked Sep 22 '09 at 17:53
stackoverflow.com
68
votes
Should an abstract class have a serialVersionUID
java
serialization
abstract-class
serialversionuid
asked May 21 '09 at 14:37
stackoverflow.com
60
votes
How do you drop a default value from a column in a table?
sql-server-2005
tsql
asked Sep 1 '09 at 20:38
stackoverflow.com
57
votes
Does a natural comparator exist in the standard api?
java
comparator
comparable
asked Jul 13 '10 at 20:09
stackoverflow.com
49
votes
How do I explain 2 to the power of zero equals 1 to a child
arithmetic
teaching
asked Nov 10 '10 at 14:22
math.stackexchange.com
33
votes
Understanding C# field initialization requirements
c#
initialization
asked Dec 15 '14 at 19:15
stackoverflow.com
31
votes
Why are regular expressions greedy by default?
regex
language-design
regex-greedy
asked Feb 16 '10 at 17:44
stackoverflow.com
26
votes
Bad path warning, where is it coming from?
java
compiler-warnings
asked Aug 27 '09 at 22:58
stackoverflow.com
22
votes
What is a good DHCP lease timeout configuration
dhcp
asked Mar 25 '11 at 13:52
serverfault.com
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Top Answers
498
Conditionally ignoring tests in JUnit 4
stackoverflow.com
402
How to read XML using XPath in Java
stackoverflow.com
308
AssertContains on strings in jUnit
stackoverflow.com
268
How can I get the current stack trace in Java?
stackoverflow.com
266
Difference between using Throwable and Exception in a try catch
stackoverflow.com
193
How do I sort a list by different parameters at different timed
stackoverflow.com
129
Easy way of running the same junit test over and over?
stackoverflow.com
115
What is the difference between Strategy design pattern and State design pattern?
stackoverflow.com
107
Allowing Java to use an untrusted certificate for SSL/HTTPS connection
stackoverflow.com
105
What is <? super T> syntax?
stackoverflow.com
102
Correct way to initialize HashMap and can HashMap hold different value types?
stackoverflow.com
97
Is there a way to retrieve the autoincrement ID from a prepared statement
stackoverflow.com
96
assert vs. JUnit Assertions
stackoverflow.com
91
How do I replace a character in a string in Java?
stackoverflow.com
89
JUnit expected tag not working as expected
stackoverflow.com
81
Java: Instanceof and Generics
stackoverflow.com
80
When to use Comparable and Comparator
stackoverflow.com
72
Getting value of public static final field/property of a class in Java via reflection
stackoverflow.com
71
Java synchronized method lock on object, or method?
stackoverflow.com
66
Calling remove in foreach loop in Java
stackoverflow.com
65
Error setting a default null value for an annotation's field
stackoverflow.com
63
Using “this” with class name
stackoverflow.com
61
How to convert object array to string array in Java
stackoverflow.com
57
Which concurrent Queue implementation should I use in Java?
stackoverflow.com
55
What is the difference between google's ImmutableList and Collections.unmodifiableList ()?
stackoverflow.com
54
Java io ugly try-finally block
stackoverflow.com
54
Any reason to clean up unused imports in Java, other than reducing clutter?
stackoverflow.com
53
Is it possible in Java to access private fields via reflection
stackoverflow.com
52
clone() vs copy constructor vs factory method?
stackoverflow.com
49
Java String replace not working
stackoverflow.com
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