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Java.lang.integer Cannot Be Cast To Java.lang.string Treemap

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Browse Core Curse MMO-Champion WowStead CurseForge WowAce SkyrimForge SC2Mapster LoLPro ExilePro Bukkit Forums Community Minecraft Forum Terraria Online Arena Junkies Guild Wars 2 Guru DiabloFans FPS General DarthHater Defiance Forum Wildstar posted 6 years ago import java.util.*; public class TestBacked { public static void main(String arg[]) { TreeSet def=new TreeSet(); TreeSet defsub=new TreeSet(); def.add(12); def.add(4); def.add(1); def.add(55); System.out.println("super"+def); defsub=(TreeSet)def.tailSet(4); System.out.println("sub"+defsub); defsub.pollFirst(); System.out.println("super"+def); A story behind a weird inductor Non-Repetitive Quine Why are wavelengths shorter than visible light neglected by new telescopes? I tried to change every Integer and int into Long but that doesn't work The Code: Code: public static void baltop(Player sender, int top) { sender.sendMessage(ChatColor.GREEN + "================== TOP " + More about the author

posted 6 years ago Your Employee class needs to implement the Comparable interface or you need to provide a Comparator to the TreeSet. "Any fool can write code that a computer Save India From Corruption - Anna Hazare. That allows me to technically create a SortedSet implementing class which uses the system hash code for ordering. It is the issue with static inner class TreeMap$AscendingSubMap inside TreeMap . http://stackoverflow.com/questions/23725479/how-to-acces-an-item-from-a-treemap-using-an-int-index

Cannot Be Cast To Java.lang.comparable Treeset

Enterprise Management Enterprise Manager Application Testing Suite See All ??? Never mind. posted 6 years ago #3.

You can also prevent ClassCastException in Java by using Generics. public class MyVertex implements Comparable { @Override public int compareTo(Object o) { // comparison logic goes here } } or alternately, you can pass a comparator to the constructor of TreeMap. Code (Text): [00:10:46 ERROR]: Could not pass event AsyncPlayerChatEvent to NonsenseCraft v1. 0 The code you gave us doesn't even have a event. #2 defcon, Jul 29, 2016 pandacrafter1 defcon Cannot Be Cast To Java.lang.comparable Priority Queue The best solution is (again, generally speaking) to figure out the source of these objects.

January 2, 2013 at 6:44 PM Anonymous said... Cannot Be Cast To Java.lang.comparable Treemap how this possible ? Why can issuing the same command create more output in tty than in pts/gnome-terminal? Polyglot Anagrams Robbers' Thread What is this c. 1948 private plane with a sliding canopy?

posted 6 years ago The TreeSet orders it's elements. Treeset Comparator Code (Text): [00:10:46 ERROR]: Could not pass event AsyncPlayerChatEvent to NonsenseCraft v1. 0 The code you gave us doesn't even have a event.Click to expand... You would have had the same error when using these objects in a TreeMap, or when they were in a List and you sorted it using Collections.sort(List). Hello folks, how do i find where to resolve the error in the code?

Cannot Be Cast To Java.lang.comparable Treemap

Documentation Database Oracle Fusion Middleware Oracle Enterprise Manager Applications Technology Sun Documentation See All ??? https://bukkit.org/threads/java-lang-long-cannot-be-cast-to-java-lang-integer.427111/ more stack exchange communities company blog Stack Exchange Inbox Reputation and Badges sign up log in tour help Tour Start here for a quick overview of the site Help Center Detailed Cannot Be Cast To Java.lang.comparable Treeset Related 2320Read/convert an InputStream to a String1180Lookup enum by string value542Difference between HashMap, LinkedHashMap and TreeMap1776Converting String to Int in Java?0ClassCastException in a TreeMap1Android ClassCastException with TreeMap comparison2166Why is char[] preferred Treemap Comparable Example java.lang.classcastexception java.util.arraylist cannot be cast to java.util.mapjava.lang.classcastexception ljava.lang.object cannot be cast to ljava.lang.comparablejava.lang.classcastexception ljava.lang.object cannot be cast to ljava.lang.integerjava.lang.classcastexception ljava.lang.object cannot be cast to java.util.listjava.util.arraylist cannot be cast to java.lang.comparable

Code: [01:01:04 ERROR]: Could not pass event AsyncPlayerChatEvent to NonsenseCraft v1. 0 org.bukkit.event.EventException at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.ja va:310) ~[spigot.jar:git-Spigot-9797151-301db84] at org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.jav a:62) ~[spigot.jar:git-Spigot-9797151-301db84] at org.bukkit.plugin.SimplePluginManager.fireEvent(SimplePluginManager.j ava:502) [spigot.jar:git-Spigot-9797151-301db84] at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.j ava:484) [spigot.jar:git-Spigot-9797151-301db84] at net.minecraft.server.v1_10_R1.PlayerConnection.chat(PlayerConnection. my review here How to use? Should you change a thermostat when changing your water pump Ballpark salary equivalent today of "healthcare benefits" in the US? Yes, my password is: Forgot your password? Java Treemap Comparator Example

How to reply? If you don't provide a Comparator then TreeSet / TreeMap assumes that the elements implement Comparable (see the Javadoc). Offline Panda_Crafter My BukkitDev ProfileMy Plugins (4) How do I fix this error? click site LoL Pro LoL Pro Dominate with Pro LoL guides.

Browse other questions tagged java casting treemap comparable sortedmap or ask your own question. Java Implement Comparable Services Advanced Customer Services Consulting Financing On Demand Support Oracle University Industries Communications Education and Research Engineering and Construction Financial Services Retail See All ??? So technically you cannot cast a SortedMap instance( or a method which returns SortedMap) to TreeMap unless the method actually returns a TreeMap!

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Thanks in advnace . The mind is a strange and wonderful thing. Can a text in Latin be understood by an educated Italian who never had any formal teaching of that language? Java Comparable and the Integer is used as the key for the TreeMap object. 2.

I stuff a TreeMap into an intent: private TreeMap mSelectedItems; ... Not the answer you're looking for? How to clear all output cells and run all input cells Why usually is the word "halfway" used with "down" rather than "up"? navigate to this website Code: public static void baltop(Player sender, int top) { sender.sendMessage(ChatColor.GREEN + "================== TOP " + top + " =================="); class ValueComparator implements Comparator { Map base; public ValueComparator(HashMap map)

Infrastructure Oracle Linux Virtualization Applications Oracle Crystal Ball Autovue Primavera Enterprise Management Database Management Applications Management Business Intelligence Management Middleware Oracle WebLogic Server Application Server and Application Grid Business Intelligence Technology How to clear all output cells and run all input cells Ubuntu 16.04 installer cant see SSD drive Polyglot Anagrams Cops' Thread Can a text in Latin be understood by an Map Keys need to be comparable to ensure a sort order in the map. Good programmers write code that humans can understand." --- Martin Fowler Please correct my English.

Cause of java.lang.ClassCastException in Java In order to understand cause of ClassCastException, you need to be familiar with concept of type casting in Java. Servers and Storage Systems Solaris Linux and VM Firmware See All ??? I am using the Java JungI graph package and Netbeans 7. That's all on What is ClassCastException in Java and how to solve Exception in thread "main" java.lang.ClassCastException.

The best solution is (again, generally speaking) to figure out the source of these objects. Java Error : 'javac' is not recognized as an inter... GO OUT AND VOTE Why are wavelengths shorter than visible light neglected by new telescopes? If you want/need to iterate over the values on the Map, you may use a for loop on Map#values: for (Enclavament enclavement : a_enclavaments.values) { //do what you want/need } If

abc is sort in the output based on the key. How can I take a powerful plot item away from players without frustrating them? posted 6 years ago Thanks Wouter , its working after my DTO implementing the Comparable interface ?? How to fix java.io.NotSerializableException: org.a...

ClassCastException are simple like NullPointerException just look the stack-trace and go to the line number. Sign up for Free! Then, make the inputs be consistently one or the other. The spec for TreeMap.get says: Throws: ClassCastException - key cannot be compared with the keys currently in the map. ###@###.### 2005-04-09 01:05:21 GMT Note that this exception has nothing to do

current community chat Stack Overflow Meta Stack Overflow your communities Sign up or log in to customize your list. Also write your own classes and method to take advantage of Generics to provide type-safety as shown in this example of How to write parameterized class.