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java Programming Glossary: foosWhy is an array not assignable to Iterable? http://stackoverflow.com/questions/1160081/why-is-an-array-not-assignable-to-iterable not assignable to Iterable with Java5 we can write Foo foos ... for Foo foo foos or just using an Iterable in the for loop... Iterable with Java5 we can write Foo foos ... for Foo foo foos or just using an Iterable in the for loop. This is very handy... method for iterable like this public void bar Iterable Foo foos .. and calling it with an array since it is not an Iterable..
How can elements be added to a wildcard generic collection? http://stackoverflow.com/questions/176446/how-can-elements-be-added-to-a-wildcard-generic-collection 1 public List extends Foo getFoos 2 3 List extends Foo foos new ArrayList extends Foo 4 foos.add new SubFoo 5 return foos.. 2 3 List extends Foo foos new ArrayList extends Foo 4 foos.add new SubFoo 5 return foos 6 Where 'SubFoo' is a concrete.. new ArrayList extends Foo 4 foos.add new SubFoo 5 return foos 6 Where 'SubFoo' is a concrete class that implements Foo and..
Google Guava isNullOrEmpty for collections http://stackoverflow.com/questions/6910002/google-guava-isnullorempty-for-collections that ambiguity out of the way up front like this Set Foo foos NaughtyClass.getFoos if foos null foos ImmutableSet.of or like.. up front like this Set Foo foos NaughtyClass.getFoos if foos null foos ImmutableSet.of or like this if you prefer Set Foo.. like this Set Foo foos NaughtyClass.getFoos if foos null foos ImmutableSet.of or like this if you prefer Set Foo foos Objects.firstNonNull..
Is there a way to refer to the current type with a type variable? http://stackoverflow.com/questions/7354740/is-there-a-way-to-refer-to-the-current-type-with-a-type-variable framework which allowed call sites like this List Foo foos QueryBuilder.make context Foo.class .where .equals DBPaths.from_Foo..
Java Reflection: How to get the name of a variable? http://stackoverflow.com/questions/744226/java-reflection-how-to-get-the-name-of-a-variable names of those variables like so public void baz Foo... foos for Foo foo foos Print the name of each foo b a and r System.out.println.. variables like so public void baz Foo... foos for Foo foo foos Print the name of each foo b a and r System.out.println java..
http://stackoverflow.com/questions/7763131/java-for-loop-syntax are equivalent ways to iterate over a list List Foo foos ... for Foo foo foos foo.bar equivalent to List Foo foos ..... ways to iterate over a list List Foo foos ... for Foo foo foos foo.bar equivalent to List Foo foos ... for Iterator Foo iter.. foos ... for Foo foo foos foo.bar equivalent to List Foo foos ... for Iterator Foo iter foos.iterator iter.hasNext Foo foo..
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