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java Programming Glossary: legalWhy does this() and super() have to be the first statement in a constructor? http://stackoverflow.com/questions/1168345/why-does-this-and-super-have-to-be-the-first-statement-in-a-constructor to do pass args to the super constructor is perfectly legal you just need to construct those args inline as you are doing..
Calling remove in foreach loop in Java http://stackoverflow.com/questions/1196586/calling-remove-in-foreach-loop-in-java remove in foreach loop in Java In Java is it legal to call remove on a collection when iterating through the collection.. Do something names.remove name . As an addendum is it legal to remove items that have not been iterated over yet For instance..
Method has the same erasure as another method in type http://stackoverflow.com/questions/1998544/method-has-the-same-erasure-as-another-method-in-type the same erasure as another method in type Why is it not legal to have those two methods in the same class class Test void..
http://stackoverflow.com/questions/2181774/calling-clojure-from-java name Eclipse Public License url http www.eclipse.org legal epl v10.html dependencies org.clojure clojure 1.5.1 aot all..
http://stackoverflow.com/questions/2660827/java-generics-covariance Because ln is a List adding a Float to it seems perfectly legal. But if ln were aliased with li then it would break the type.. above the quoted line seems to illustrate WHAT is illegal in java and not WHY. It would be very helpful to me if somebody.. List Integer li new ArrayList Integer List Number ln li illegal ln.add new Float 3.1415 In Java Integer inherits from Number..
What is a raw type and why shouldn't we use it? http://stackoverflow.com/questions/2770321/what-is-a-raw-type-and-why-shouldnt-we-use-it were introduced. That is the following is entirely legal at compile time. List names new ArrayList warning raw type names.add.. It was deemed critical that all this code remains legal and interoperable with new code that does use generics. It had.. with new code that does use generics. It had to be legal to pass instances of parameterized types to methods that were..
How can I add to List<? extends Number> data structures? http://stackoverflow.com/questions/2776975/how-can-i-add-to-list-extends-number-data-structures value of a specific type . It means that any of these are legal assignments List extends Number foo3 new ArrayList Number Number.. type of object could you add to List foo3 that would be legal after any of the above possible ArrayList assignments You can't.. logic applies to super e.g. List super T . These are legal List super Number foo3 new ArrayList Number Number is a super..
Multiple wildcards on a generic methods makes Java compiler (and me!) very confused http://stackoverflow.com/questions/3546745/multiple-wildcards-on-a-generic-methods-makes-java-compiler-and-me-very-confu public class TwoListsOfUnknowns2 static void doSomethingIllegal List list1 List list2 list1.addAll list2 DOES NOT COMPILE The.. java.util. public class LOLUnknowns1 static void probablyIllegal List List lol List list lol.add list this compiles how come.. public class LOLUnknowns2 static void rightfullyIllegal List List extends Number lol List list lol.add list DOES NOT..
Why does this go into an infinite loop? http://stackoverflow.com/questions/3831341/why-does-this-go-into-an-infinite-loop the ref keyword. I've decided to update it with actual legal Java code using the first MutableInt class I found on Google..
What is the point of the diamond operator in Java 7? http://stackoverflow.com/questions/4166966/what-is-the-point-of-the-diamond-operator-in-java-7 strings ... some list that contains some strings Totally legal since you used the raw type and lost all type checking List.. at runtime. This is why you should not use raw types. Not legal since the right side is actually generic List Integer integers..
Why isn't calling a static method by way of an instance an error for the Java compiler? http://stackoverflow.com/questions/610458/why-isnt-calling-a-static-method-by-way-of-an-instance-an-error-for-the-java-co the class name Foo.Bar Abc abc new Abc This would not be legal. It being legal has no benefit and just allows misleading code.. Foo.Bar Abc abc new Abc This would not be legal. It being legal has no benefit and just allows misleading code abc.Def public..
How does a HashMap work in Java? http://stackoverflow.com/questions/6493605/how-does-a-hashmap-work-in-java in Java As per my understanding I think Its perfectly legal for two objects to have same hashcode. If two objects are equal..
What is the best way to implement constants in Java? http://stackoverflow.com/questions/66066/what-is-the-best-way-to-implement-constants-in-java 0 0 public static void main String args ORIGIN.x 3 That is legal and ORIGIN would then be a point at 3 0 . share improve this..
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