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java Programming Glossary: genericWhat is the equivalent of the C++ Pair<L,R> in Java? http://stackoverflow.com/questions/156275/what-is-the-equivalent-of-the-c-pairl-r-in-java Range begin end and a class Entry key value rather than a generic Pair first second that doesn't tell me anything about what it's..
Sorting an ArrayList of Contacts based on name? [duplicate] http://stackoverflow.com/questions/1814095/sorting-an-arraylist-of-contacts-based-on-name And to cream the top off you could consider to use a generic javabean comparator public class BeanComparator implements Comparator..
Get generic type of java.util.List http://stackoverflow.com/questions/1942644/get-generic-type-of-java-util-list generic type of java.util.List I have List String stringList new ArrayList.. new ArrayList Integer Is there a easy way to retrieve the generic type of the list java generics share improve this question.. a easy way to retrieve the generic type of the list java generics share improve this question If those are actually fields..
Java: recommended solution for deep cloning/copying an instance http://stackoverflow.com/questions/2156120/java-recommended-solution-for-deep-cloning-copying-an-instance helper like jakarta common beans it is easy to write a generic copy method that will do the job in one line. pro easy to write..
Why don't Java Generics support primitive types? http://stackoverflow.com/questions/2721546/why-dont-java-generics-support-primitive-types but Gen int inums new Gen int 100 is not allowed. java generics primitive share improve this question Generics in Java are.. an entirely compile time construct the compiler turns all generic uses into casts to the right type. This is to maintain backwards.. ClassA a ClassA list.get 0 So anything that is used as generics has to be convertable to Object in this example get 0 returns..
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 questions Should Java Raw Types be Deprecated java generics raw types share improve this question What is a raw type.. Raw Types A raw type is define to be either The name of a generic type declaration used without any accompanying actual type parameters... Essentially raw types behaves just like they were before generics were introduced. That is the following is entirely legal at..
Java generics - type erasure - when and what happens http://stackoverflow.com/questions/339699/java-generics-type-erasure-when-and-what-happens generics type erasure when and what happens I read about Java's type.. does the JDK check type compatibility when a method using generics is invoked with no type information or wrong type information... it is just a guess. Does anybody here know for sure java generics type erasure share improve this question Type erasure applies..
How to: generic array creation http://stackoverflow.com/questions/529085/how-to-generic-array-creation to generic array creation Due to the implementation of Java generics you.. generic array creation Due to the implementation of Java generics you can't have code like this public class GenSet E private.. E a public GenSet a new E INITIAL_ARRAY_LENGTH error generic array creation How can I implement this while maintaining type..
Create instance of generic type in Java? http://stackoverflow.com/questions/75175/create-instance-of-generic-type-in-java instance of generic type in Java Is it possible to create an instance of a generic.. type in Java Is it possible to create an instance of a generic type in Java I'm thinking based on what I've seen that the answer.. different than Ian Robertson's Artima Article . java generics share improve this question You are correct. You can't do..
What are the reasons why Map.get(Object key) is not (fully) generic http://stackoverflow.com/questions/857420/what-are-the-reasons-why-map-getobject-key-is-not-fully-generic are the reasons why Map.get Object key is not fully generic What are the reasons behind the decision to not have a fully.. are the reasons behind the decision to not have a fully generic get method in the interface of java.util.Map K V . To clarify.. same thing for remove containsKey containsValue . java generics collections map share improve this question As mentioned..
Java Generic Class - Determine Type http://stackoverflow.com/questions/1004022/java-generic-class-determine-type Generic Class Determine Type If I am creating a java class to be generic.. parameterizedType ParameterizedType getClass .getGenericSuperclass return Class parameterizedType.getActualTypeArguments..
Instantiating a generic class in Java http://stackoverflow.com/questions/1090458/instantiating-a-generic-class-in-java main String args throws Exception Just for simplicity Generic Bar x new Generic Bar Bar.class Bar y x.buildOne public class.. throws Exception Just for simplicity Generic Bar x new Generic Bar Bar.class Bar y x.buildOne public class Generic T private.. x new Generic Bar Bar.class Bar y x.buildOne public class Generic T private Class T clazz public Generic Class T clazz this.clazz..
Combining Raw Types and Generic Methods http://stackoverflow.com/questions/11007723/combining-raw-types-and-generic-methods Raw Types and Generic Methods Here's a question this first code listing compiles..
http://stackoverflow.com/questions/1817524/generic-arrays-in-java arrays in Java OK I've been google'ing the web and I just can't.. this java arrays generics share improve this question Generics and arrays don't mix basically. The short answer is that you.. and more complete explanation see the excellent Java Generics FAQ Can I create an array whose component type is a concrete..
When to use generic methods and when to use wild-card? http://stackoverflow.com/questions/18176594/when-to-use-generic-methods-and-when-to-use-wild-card card I am reading about generic methods from OracleDocGenericMethod . I am pretty confused about the comparison when it says.. is considered not good in this Continuing ahead it states Generic methods allow type parameters to be used to express dependencies..
How to determine the class of a generic type? http://stackoverflow.com/questions/182636/how-to-determine-the-class-of-a-generic-type I call expects this as an argument. Example public class MyGenericClass T public void doSomething Snip... Call to a 3rd party lib.. share improve this question Still the same problems Generic informations are erased at runtime it cannot be recovered. A.. the class T in parameter of a static method public class MyGenericClass T private final Class T clazz public static U MyGenericClass..
What's the issue with creating a generic array? [duplicate] http://stackoverflow.com/questions/18581002/whats-the-issue-with-creating-a-generic-array working with arrays and generics. Arrays are covariant Generics are not What that means You must be knowing by now that the.. Reason being generics are invariant. Enforcing Type Check Generics were introduced in Java to enforce stronger type check at compile.. like this as shown above. So what's the issue with Generic Array Creation Creation of array whose component type is either..
Java Generics: Generic type defined as return type only http://stackoverflow.com/questions/338887/java-generics-generic-type-defined-as-return-type-only Generics Generic type defined as return type only I'm looking at some.. Generics Generic type defined as return type only I'm looking at some GXT code.. at some GXT code for GWT and I ran across this use of Generics that I can't find another example of in the Java tutorials...
Java method dispatch with null argument http://stackoverflow.com/questions/377203/java-method-dispatch-with-null-argument System.out.println foo String public void foo Object arg Generic System.out.println foo Object In other words why is the commented..
Java: Generic methods and numbers http://stackoverflow.com/questions/3850970/java-generic-methods-and-numbers Generic methods and numbers I want to make a generic method which makes..
http://stackoverflow.com/questions/4268179/generic-jsf-entity-converter JSF entity converter I'm writing my first Java EE 6 web app..
Generic method in Java without generic argument http://stackoverflow.com/questions/590405/generic-method-in-java-without-generic-argument method in Java without generic argument In C# I can do actually..
http://stackoverflow.com/questions/7810074/array-of-generic-list of Generic List I am playing with Generic and arrays it seems the following.. of Generic List I am playing with Generic and arrays it seems the following code compiles fine ArrayList..
How do I detect which kind of JRE is installed — 32bit vs. 64bit http://stackoverflow.com/questions/807263/how-do-i-detect-which-kind-of-jre-is-installed-32bit-vs-64bit ppc64 arch and it was successfully executed on Tiger.. for Generic Unix support it is not clear as well... likely checking for..
Creating new generic object with wildcard http://stackoverflow.com/questions/9147129/creating-new-generic-object-with-wildcard extends Number compiler Wait what am I creating exactly Generic types with wildcards only make sense for variables and method..
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