Solved

help on generics

Posted on 2006-10-22
1
236 Views
Last Modified: 2010-03-31
Hi,
    I wrote a class BinaryTreeNode<T> and tried to use it in this declaration: public static int depth(BinaryTreeNode<T> r) {...}  . I got this error:
 cannot find symbol
symbol  : class T
location: class TreeConvert
   public static int depth(BinaryTreeNode<T> r)

why is that? please help . thanks
0
Comment
Question by:azcalv408
[X]
Welcome to Experts Exchange

Add your voice to the tech community where 5M+ people just like you are talking about what matters.

  • Help others & share knowledge
  • Earn cash & points
  • Learn & ask questions
1 Comment
 
LVL 9

Accepted Solution

by:
shinobun earned 50 total points
ID: 17785671
You should define your class TreeConvert<T>.

http://java.sun.com/j2se/1.5/pdf/generics-tutorial.pdf
0

Featured Post

Free Tool: Postgres Monitoring System

A PHP and Perl based system to collect and display usage statistics from PostgreSQL databases.

One of a set of tools we are providing to everyone as a way of saying thank you for being a part of the community.

Question has a verified solution.

If you are experiencing a similar issue, please ask a related question

Suggested Solutions

Title # Comments Views Activity
java example issue 5 42
Notify sent to other threads in Java 9 41
hashmap order 17 40
passing enum to a method 4 34
Introduction This article is the first of three articles that explain why and how the Experts Exchange QA Team does test automation for our web site. This article explains our test automation goals. Then rationale is given for the tools we use to a…
Java functions are among the best things for programmers to work with as Java sites can be very easy to read and prepare. Java especially simplifies many processes in the coding industry as it helps integrate many forms of technology and different d…
Viewers learn about the third conditional statement “else if” and use it in an example program. Then additional information about conditional statements is provided, covering the topic thoroughly. Viewers learn about the third conditional statement …
Viewers will learn one way to get user input in Java. Introduce the Scanner object: Declare the variable that stores the user input: An example prompting the user for input: Methods you need to invoke in order to properly get  user input:

740 members asked questions and received personalized solutions in the past 7 days.

Join the community of 500,000 technology professionals and ask your questions.

Join & Ask a Question