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Mockito: List Matchers with generics
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For Java 8 and above, it's easy:
when(mock.process(Matchers.anyList()));
For Java 7 and below, the compiler needs a bit of help. Use anyListOf(Class<T> clazz):
when(mock.process(Matchers.anyListOf(Bar.class)));
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Interface naming in Java [closed]
Most OO languages prefix their interface names with a capital I, why does Java not do this? What was the rationale for not following this convention?
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Method has the same erasure as another method in type
...t allowed, drawn from the JLS. Suppose, before generics were introduced to Java, I wrote some code like this:
class CollectionConverter {
List toList(Collection c) {...}
}
You extend my class, like this:
class Overrider extends CollectionConverter{
List toList(Collection c) {...}
}
After t...
Why java classes do not inherit annotations from implemented interfaces?
...implementing class doesn't inherit the annotation as stated in Inherited's java doc:
2 Answers
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Java - escape string to prevent SQL injection
I'm trying to put some anti sql injection in place in java and am finding it very difficult to work with the the "replaceAll" string function. Ultimately I need a function that will convert any existing \ to \\ , any " to \" , any ' to \' , and any \n to \\n so that when the string is e...
How does JavaFX compare to WPF? [closed]
I'm mostly a C# programmer, I stopped writing Java about 10 years ago, but I try to keep up with the technology in Java by reading articles, talking with friends, etc.
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What is the easiest way to get the current day of the week in Android?
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Use the Java Calendar class.
Calendar calendar = Calendar.getInstance();
int day = calendar.get(Calendar.DAY_OF_WEEK);
switch (day) {
case Calendar.SUNDAY:
// Current day is Sunday
break;
case Calendar.MOND...
Why do I need to override the equals and hashCode methods in Java?
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Joshua Bloch says on Effective Java
You must override hashCode() in every class that overrides equals(). Failure to do so will result in a violation of the general contract for Object.hashCode(), which will prevent your class from functioning properly in ...
Insert new column into table in sqlite?
...ault value can not be added in ALTER TABLE for some fieldtypes: sqlite.org/lang_altertable.html
– michel.iamit
Sep 9 '13 at 8:00
9
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How do I convert a Vector of bytes (u8) to a string
...nerally aren't good at asking questions, especially when they are new to a language. Rust makes a distinction between an array, a slice and a Vec, but newcomers don't know the differences. Make sure to upvote all questions and answers that prove useful though.
– Shepmaster
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