<div>
its saying use interfaces to define types and *not* to simply store constants<br />
<br />
eg. this is bad<br />
<br />
public interface Constants {<br />
&nbsp; &nbsp;public static final int A = 5;<br />
&nbsp; &nbsp;public static final int B = 6;<br />
&nbsp; &nbsp;public static final int C = 7;<br />
}<br />

</div>


its saying use interfaces to define types and *not* to simply store constants

eg. this is bad

public interface Constants {
   public static final int A = 5;
   public static final int B = 6;
   public static final int C = 7;
}


<div>
&gt;&gt;use interfaces to define types<br />
<br />
which types you mean. please advise
</div>


>>use interfaces to define types

which types you mean. please advise

<div>
&gt;&gt;<br />
means types you define in your application<br />
<br />
eg.<br />
<br />
public interface Person {<br />
..<br />
<br />
<br />
<br />
you mean object instance variable types like<br />
<br />
<br />
<br />
public interface Person {<br />
Address a;<br />
Contact c;<br />
..<br />
<br />
<br />
please advise
</div>


>>
means types you define in your application

eg.

public interface Person {
..



you mean object instance variable types like



public interface Person {
Address a;
Contact c;
..


please advise

<div>
<div class="content wysiwyg-content">
<br />
Use interfaces only to define types<br />
<br />
I was reading above staemtent. I have not understood the statement, concept behind clearly.<br />
Please advise. Any ideas, sugestions, sample code, links, resources highly appreciated. thanks in advance
</div>
</div>



Use interfaces only to define types

I was reading above staemtent. I have not understood the statement, concept behind clearly.
Please advise. Any ideas, sugestions, sample code, links, resources highly appreciated. thanks in advance

Use interfaces only to define types

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Java

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Java EE

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