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I have the following methods:
public <T> T fromJson( Reader jsonData, Class<T> clazz ) {
return fromJson( jsonData, (Type)clazz );
}
public <T> T fromJson( Reader jsonData, Type clazz ) {
...
}
The compiler is saying about the first method:
type parameters of <T>T…
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Hi,
I'm using a recursive tree of hashmaps, specifically Hashmap map where Object is a reference to another Hashmap and so on. This will be passed around a recursive algorithm:
foo(String filename, Hashmap<String, Object> map)
{
//some stuff here
for (Entry<String, Object> entry…
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Hello,
I am wondering if there's an elegant solution for doing this in Java (besides the obvious one - of declaring a different/explicit function. Here is the code:
private static HashMap<String, Integer> nameStringIndexMap
= new HashMap<String, Integer>();
private static HashMap<Buffer…
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I am having trouble understanding the following article:
http://www.ibm.com/developerworks/java/library/j-jtp01255.html
Under,
Generics are not covariant
the author states,
Because ln is a List, adding a
Float to it seems perfectly legal. But
if ln were aliased with li, then it
would…
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Hi.
I have seen different questions regarding this, but I still find this topic to be very confusing.
All I want to do, is have an abstract class that implements an interface, and have a class extending this abstract class so that the hard class needs to implement getKommune() and setKommune(Kommune…
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