Home > Syntax Error > List Int Java

List Int Java

Contents

Not the answer you're looking for? share|improve this answer answered Aug 28 '13 at 7:06 alvinsj 7501014 add a comment| up vote 2 down vote HashMap does not allow primitive data types as arguments. Please correct your answer. –Adam Gent Apr 22 '13 at 13:42 I have writen HashMap myMap = new HashMap(); but displaying make my problem with > and Is it referring to an array, like int[] which would be okay because it's an Array object? –ADTC Feb 11 '15 at 8:14 add a comment| up vote 9 down vote his comment is here

Then you pass ageList, wich is an ArrayList in the constructor. share|improve this answer edited Aug 31 at 19:49 answered Sep 10 '13 at 22:08 Sotirios Delimanolis 158k25266382 1 As for the why, The [Java Language Specification] (docs.oracle.com/javase/specs/jls/se7/html/jls-4.html#jls-4.‌5.1) specifies that only Why is the Vitamin B complex, a "complex"? current community chat Stack Overflow Meta Stack Overflow your communities Sign up or log in to customize your list.

List Int Java

Thus when int is autoboxed to Integer, Hashmap can call equals() method on Integer object. Join them; it only takes a minute: Sign up Using int as a type parameter for java.util.Dictionary up vote 34 down vote favorite 4 When I try to declare a Dictionary Join them; it only takes a minute: Sign up HashMap and int as key up vote 66 down vote favorite 11 I am trying to build a HashMap which will have That is the function put() in HashMap and as you can see it uses Object for K: public V put(K key, V value) { if (key == null) return putForNullKey(value); int

But because of the way that generics in Java are implemented, they do not support type parameters that are primitives. Is there any financial benefit to being paid bi-weekly over monthly? more hot questions question feed lang-java about us tour help blog chat data legal privacy policy work here advertising info mobile contact us feedback Technology Life / Arts Culture / Recreation Hashmap Cannot Be Resolved To A Type A pilot's messages Disease that requires regular medicine Why does Snoke not cover his face?

Why are terminal consoles still used? Insert Dimensions To Complete Type Argument So, don't use it on large data sets. –TpoM6oH Jun 17 '14 at 11:22 How is SparseArray used for better performance while it is slower? Related 787Why can't I switch on a String?296What are the reasons why Map.get(Object key) is not (fully) generic423How to convert a Map to List in Java?1811Converting String to Int in Java?412How Difficulties interpreting this complex sentence Add a language to a polyglot Schengen visa to Norway to visit my wife refused Unable to understand the details of step-down voltage regulator Help my

However, because the Java generics system uses type-erasure, there isn't enough information to autobox in this case. Int To Integer Java Integer first = intList.get(0); int second = intList.get(1); But this is really just the compiler automatically converting types for you. Letter of Recommendation Without Contact from the Student Why does Snoke not cover his face? Browse other questions tagged java hashmap or ask your own question.

Insert Dimensions To Complete Type Argument

share|improve this answer answered Jan 4 '10 at 19:57 JohnE 34913 add a comment| up vote 4 down vote Java collections only allow references not primitives. Why is the Vitamin B complex, a "complex"? List Int Java Thanks in advance! :) java hashmap share|improve this question asked Apr 22 '13 at 13:39 MrD 1,34412444 9 HashMap doesn't handle primitives, just objects. –Aquillo Apr 22 '13 at 13:41 Java Syntax Error Insert Dimensions To Complete Referencetype asked 4 years ago viewed 2016 times active 4 years ago Related 2111Generating random integers in a specific range2Syntax error on token “{”, SwitchLabels expected after this token0Receiving multiple syntax errors

Error:The constructor JComboBox>(ArrayList) is undefined java syntax-error share|improve this question edited Feb 19 '12 at 0:24 asked Feb 19 '12 at 0:14 Maydayfluffy 1101314 What error do you get? this content So you can only use an object that inherits from Object (that is any object). Why does Snoke not cover his face? What are the downsides to multi-classing? Sparsearray

I'm vaguely aware that Java treats int / Integer differently (I come from a .NET background), but I was hoping someone could give me a full explanation on why I can't What are the ground and flight requirements for high performance endorsement? Java provides wrapper classes for each of the original type. http://mmonoplayer.com/syntax-error/java-syntax-error-on-token-expected.html share|improve this answer answered Jan 4 '10 at 19:56 Jeremy Raymond 3,08521930 Hmm, so is Java less efficient than .NET here because it forces you to box the integer

In .NET int or Int32 etc. Fastutil Unable to complete a task at work. Make text field readonly Eating Skittles Like a Normal Person Why would a NES game use an undocumented 1-byte or 2-byte NOP in production?

All class names should start with capitals, I corrected the recommended code. –GaborSch Apr 22 '13 at 13:43 3 I know you know :) I just want to make sure

Not the answer you're looking for? Because they don't C#. –Maroun Maroun Jun 21 '13 at 16:18 @clairharrison Don't use a Vector in Java to start with. the sum of consecutive odd numbers How to construct a 3D 10-sided Die (Pentagonal trapezohedron) and Spin to a face? Java Iterate Hashmap Are there too few Supernova Remnants to support the Milky Way being billions of years old?

are just different names. int is a primitive Integer is an Object. but u can still add element of type int to your Integer list share|improve this answer answered Jun 17 '12 at 6:44 Adel Boutros 7,23633472 add a comment| up vote 1 check over here Resubmitting elsewhere without any key change when a paper is rejected How to properly localize numbers?

share|improve this answer edited Jun 21 '13 at 16:33 answered Jun 21 '13 at 16:18 jason 163k22304451 1 Why are you all keep posting one same answer? –Branislav Lazic Jun Removing brace from the left of dcases How secure is a fingerprint sensor versus a standard password? HashMap map=new HashMap(); map.put(1,"a"); map.put(2,"b"); map.put(1,"aq"); System.out.println(map.get(0)); System.out.println(map.get(1)); System.out.println(map.get(2)); Posted by Nick at May 25, 2014 - 8:01 PM ©2016 Programering    CSDN博客 qq_20788055 java报错Syntax error on token int, Join them; it only takes a minute: Sign up How to have a vector of integers in Java up vote 3 down vote favorite im trying to get a vector of

Use Vector Vector=new Vector(); share|improve this answer answered Jun 21 '13 at 16:16 StinePike 32.3k85585 add a comment| Your Answer draft saved draft discarded Sign up or log in Sign Shoham 4,95552441 Except generics are part of the compilation process- nothing is ever "passed" in the poster's example. –JohnE Jan 4 '10 at 20:02 FYI, int/Int32 will What mechanical effects would the common cold have? Word for nemesis that does not refer to a person more hot questions question feed lang-java about us tour help blog chat data legal privacy policy work here advertising info mobile

The Trove library has TIntObjectHashMap and Android has SparseArray (the latter only useful for Android projects, of course). Positivity of certain Fourier transform Unable to understand the details of step-down voltage regulator Schengen visa to Norway to visit my wife refused Amplifier circuit woe default override of virtual destructor