int cannot be dereferenced in Java

Question

I m fairly new to Java and I m using BlueJ  I keep getting this  Int cannot be dereferenced  error when trying to compile and I m not sure what the problem is   The error is specifically happening in my if statement at the bottom  where it says  equals  is an error and  int cannot be dereferenced   Hope to get some assistance as I have no idea what to do  Thank you in advance   public class Catalog       private Item   list      private int size          Construct an empty catalog with the specified capacity      public Catalog int max            list   new Item max           size   0                Insert a new item into the catalog         Throw a CatalogFull exception if the catalog is full      public void insert Item obj  throws CatalogFull           if  list length    size                throw new CatalogFull                      list size    obj            size                Search the catalog for the item whose item number        is the parameter id   Return the matching object         if the search succeeds   Throw an ItemNotFound        exception if the search fails      public Item find int id  throws ItemNotFound           for  int pos   0  pos  lt  size    pos               if  id equals list pos  getItemNumber        Getting error on  equals                  return list pos                             else                   throw new ItemNotFound

User · Answer

try   id    list pos  getItemNumber     instead of   id equals list pos  getItemNumber

User · Answer

Basically  you re trying to use int as if it was an Object  which it isn t  well   it s complicated   id equals list pos  getItemNumber      Should be     id    list pos  getItemNumber

User · Answer

id is of primitive type int and not an Object  You cannot call methods on a primitive as you are doing here    id equals   Try replacing this           if  id equals list pos  getItemNumber        Getting error on  equals    with          if  id    list pos  getItemNumber       Getting error on  equals

User · Answer

Change  id equals list pos  getItemNumber      to  id    list pos  getItemNumber     For more details  you should learn the difference between the primitive types like int  char  and double and reference types

User · Answer

Assuming getItemNumber   returns an int  replace   if  id equals list pos  getItemNumber       with   if  id    list pos  getItemNumber

User · Answer

As your methods an int datatype  you should use      instead of equals    try replacing this      if  id equals list pos  getItemNumber      with  if  id equals  list pos  getItemNumber      it will fix the error

[java] "int cannot be dereferenced" in Java

Examples related to java

Examples related to int

Examples related to bluej