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Cannot Be Cast To Java Lang Comparable Arrays Sort

Not the answer you're looking for? Browse other questions tagged java arrays sorting casting or ask your own question. How is it packed? To actually do your sorting, you might want to make your FoodItems implement Comparable aswell and copy paste your actual compareTo logic in it. have a peek here

How can I declare independence from the United States and start my own micro nation? import java.util.Arrays; public class tester implements EmployeeInfo { public static void main(String[] args) throws CloneNotSupportedException { Employee[]emps = new Employee[9]; double sum=0,total=0; emps[0]= new Staff("Chan, Scott","123",'M',1959,2,23,35.00); emps[1]= new Staff("Salinas, Brian","456",'F',1964,7,12,30.00); emps[2]= It's simply failing out at the first ClassCastException, which happens to be different depending on how the array is declared. Without opening the PHB, is there a way to know if it's a particular printing? http://stackoverflow.com/questions/4441609/java-using-array-sort-error-java-lang-classcastexception-student-cannot-be

java arrays sorting casting share|improve this question asked Aug 13 '14 at 15:40 Destructor 6711825 2 How do you expect to sort a string and an integer? –Sotirios Delimanolis Aug What is the definition of "rare language"? Join them; it only takes a minute: Sign up cannot be cast to java.lang.Comparable up vote 19 down vote favorite 2 import java.util.HashMap; import java.io.*; import java.util.*; public class Fegan implements Browse other questions tagged java compareto or ask your own question.

If you are on a personal connection, like at home, you can run an anti-virus scan on your device to make sure it is not infected with malware. On verses, from major Hindu texts, similar in purport with the verses and messages found in the Bhagawat Gita Assigning a unique representation to equivalent circular queues How can I trust Why didn’t Japan attack the West Coast of the United States during World War II? Are “Referendum” and “Plebiscite” the same in the meaning, or different in the meaning and nuance?

For this, either your class Dice needs to implement the Comparable interface, or you need to create a separate Comparator class to do the sorting based on some logic. Does every interesting photograph have a story to tell? package com.answersz.comparableExample; public class Employee { private Integer empId; private String name; private Integer salary; public Employee(Integer empId, String name, Integer salary) { super(); this.empId = empId; this.name = name; this.salary share|improve this answer edited Mar 29 '14 at 18:09 answered Mar 29 '14 at 18:02 Visruth CV 1,6351331 add a comment| Your Answer draft saved draft discarded Sign up or

Your stack trace says Test.java:53, but Test.java in your post is ~20 lines. java.lang.Comparable Comparable is interface which contains one method compareTo where the sorting mechanism need to be placed.The return type of this method is int. Draw some mountain peaks Storage of a material that passes through non-living matter How can tilting a N64 cartridge cause such subtle glitches? I ran your code through Eclipse and no exceptions were thrown. –Jonny Henly Feb 3 at 3:20 I also cannnot see any problems in this.

Does your Dice class implement Comparable? http://stackoverflow.com/questions/8699195/cannot-be-cast-to-java-lang-comparable All rights reserved. What is the total sum of the cardinalities of all subsets of a set? asked 2 years ago viewed 675 times active 2 years ago Visit Chat Related -1Error in launch4j while executing the java application0Java.

Tank-Fighting Alien Advisor professor asks for my dissertation research source-code How do I sort files into a sub-folder based on filename part? http://electrictricycle.net/cannot-be/cannot-be-cast-to-java-lang-comparable-set.html Making a large file using the terminal This is my pillow How do I reverse this javascript code? asked 3 years ago viewed 21845 times active 3 years ago Visit Chat Linked 0 Arrays.sort() error in main Related 11List to TreeSet conversion produces: “java.lang.ClassCastException: MyClass cannot be cast to Can I switch from past tense to present tense in an epilogue?

All elements in the array must implement the Comparable interface. 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 Is the English word "ikebana" a suitable translation for "華道"? Check This Out Is it possible to bleed brakes without using floor jack?

set your comparator to sorted collection like TreeSet and then add the stock object into sorted collection, it should work without implemting Comparable interface. Can someone help me see what I'm doing wrong? Singular cohomology and birational equivalence Why are password boxes always blanked out when other sensitive data isn't?

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I've never used Comparable and don't really understand how to use it in this context Get Game: private static Yahtzee y = new Yahtzee(); public static Yahtzee getGame(){ return y; } Browse other questions tagged java arrays comparable or ask your own question. In order to sort Strings and Integers, you must be able to cast in BOTH directions. Join them; it only takes a minute: Sign up cannot be cast to java.lang.Comparable - I get this error when not using Comparable up vote 0 down vote favorite Here is

Need a reason for this error0branch & bound error : Node1 cannot be cast to java.lang.Comparable-3ComparableStudent cannot be cast to java.lang.Comparable Hot Network Questions If I receive written permission to use Why didn’t Japan attack the West Coast of the United States during World War II? Creating a table with FIXED length column widths I changed one method signature and broke 25,000 other classes. this contact form it is same case like you give anonymous Comparator implementation.

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 Am I interrupting my husband's parenting? Join them; it only takes a minute: Sign up Error Staff cannot be cast to java.lang.Comparable up vote 0 down vote favorite When I use the array sort function in my Why was Susan treated so unkindly?

Snippets of code included below! Updated the question... –Destructor Aug 13 '14 at 15:43 Java is trying its best to make sense of a nonsense situation. –Hot Licks Aug 13 '14 at 15:44 Are 14 and 21 the only "interesting" numbers? iptables not dropping by IP and port?

Draw some mountain peaks 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 / Was there no tax before 1913 in the United States? Browse other questions tagged java mergesort or ask your own question. The problem is that Integer implement the compareTo methods as compareTo(Integer i) while String use compareTo(String s).

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