Unable to Understand - import and classpath scjp 6

[Tahir Akram]

From SCJP by Kathy sierra chapter 10 page 804.

Remember when using a classpath, the last directory in the path must be the
super-directory of the root directory for the package.

I am unable to understand this statement.

I am also unable to use classpath with import statements.

I am using the following classpath to compile the Outer.java

javac -classpath com\utils Outer.java

caller class

import com.utils.*;
public class Outer{

	public static void main(String[] argv){
		Inner in = new Inner();
		in.doStuff();
	}
}

and called class is

package com.utils;
public class Inner{
	public void doStuff(){
		System.out.println("Inside inner class");
	}

}

and the problem I am getting...

D:\myproject\src>javac -cp com\utils Outer.java
Outer.java:1: package com.utils does not exist
import com.utils.*;
^
Outer.java:5: cannot access Inner
bad class file: com\utils\Inner.class
class file contains wrong class: com.utils.Inner
Please remove or make sure it appears in the correct subdirectory of the classpa
th.
                Inner in = new Inner();
                ^
2 errors

[Zulqarnain Hafeez]

Hello Tahir,

Using package and import in your java file.
Execute this

javac -classpath . Outer.java


in your example com.utils.Inner is fully qualified name of class
thats why com\utils package does not exist error occurs.


Please consider this example

import com.*;

public class Outside{
	Outside(){
		System.out.println("this is default Constructor");
	}

	public static void main(String []arg){
		System.out.println("Out Side class");
		Inside ins=new Inside();
	}

}

package com;

public class Inside{
	public Inside(){
		System.out.println("this is default Constructor");
	}

	public static void main(String []arg){
		System.out.println("inside main");
	}

}

javac -cp . Outside.java



Hope this will clear.

[Seetharaman Venkatasamy]

and Welcome to JavaRanch Zulqarnain Hafeez