我把F:\electric book\thinking in java\temp添加到“我的电脑”的环境变量中的path里面。
在F:\electric book\thinking in java\temp\com\bruceeckel\util目录下有一个类AlphabeticComparator.javapackage com.bruceeckel.util;
import java.util.*;public class AlphabeticComparator
implements Comparator{
public int compare(Object o1, Object o2) {
String s1 = (String)o1;
String s2 = (String)o2;
return s1.toLowerCase().compareTo(
s2.toLowerCase());
}
} ///:~
我只有在F:\electric book\thinking in java\temp目录下java com.bruceeckel.util.AlphabeticComparator才能找到它,在其它目录(比如:F:\electric book\thinking in java\temp\c11目录下java com.bruceeckel.util.AlphabeticComparator就找不到这个class。请问这是怎么回事,那我加不加path不是没有区别了?
在F:\electric book\thinking in java\temp\com\bruceeckel\util目录下有一个类AlphabeticComparator.javapackage com.bruceeckel.util;
import java.util.*;public class AlphabeticComparator
implements Comparator{
public int compare(Object o1, Object o2) {
String s1 = (String)o1;
String s2 = (String)o2;
return s1.toLowerCase().compareTo(
s2.toLowerCase());
}
} ///:~
我只有在F:\electric book\thinking in java\temp目录下java com.bruceeckel.util.AlphabeticComparator才能找到它,在其它目录(比如:F:\electric book\thinking in java\temp\c11目录下java com.bruceeckel.util.AlphabeticComparator就找不到这个class。请问这是怎么回事,那我加不加path不是没有区别了?
//: c11:DirList.java
// From 'Thinking in Java, 2nd ed.' by Bruce Eckel
// www.BruceEckel.com. See copyright notice in CopyRight.txt.
// Displays directory listing.
import java.io.*;
import java.util.*;
import com.bruceeckel.util.*;public class DirList {
public static void main(String[] args) {
File path = new File(".");
String[] list;
if(args.length == 0)
list = path.list();
else
list = path.list(new DirFilter(args[0]));
Arrays.sort(list,
new AlphabeticComparator());
for(int i = 0; i < list.length; i++)
System.out.println(list[i]);
}
}class DirFilter implements FilenameFilter {
String afn;
DirFilter(String afn) { this.afn = afn; }
public boolean accept(File dir, String name) {
// Strip path information:
String f = new File(name).getName();
return f.indexOf(afn) != -1;
}
} ///:~
编译时import com.bruceeckel.util.*;有问题。
只有path,没有classpath吧?