package site.yanhui.section4;
public interface Fruit {
public void get();
}
package site.yanhui.section4;
public class Banana implements Fruit {
@Override
public void get() {
System.out.println("采集香蕉");
}
}
package site.yanhui.section4;
public class FruitFactory {
/**
* 獲得所有的產(chǎn)品對(duì)象
*
*/
public static Fruit getFruit(String type) throws IllegalAccessException, InstantiationException, ClassNotFoundException {
Class fruit = Class.forName(type);
return (Fruit) fruit.newInstance();
}
}
package site.yanhui.section4;
public class MainClass {
public static void main(String[] args) throws InstantiationException, IllegalAccessException, ClassNotFoundException {
// Fruit apple = FruitFactory.getFruit("Apple");
Fruit banana = FruitFactory.getFruit("Banana");
banana.get();
}
}
異常：
"C:\Program Files\Java\jdk1.8.0_73\bin\java" "-javaagent:C:\Program Files\JetBrains\IntelliJ IDEA Community Edition 2017.2\lib\idea_rt.jar=7117:C:\Program Files\JetBrains\IntelliJ IDEA Community Edition 2017.2\bin" -Dfile.encoding=GBK -classpath "C:\Program Files\Java\jdk1.8.0_73\jre\lib\charsets.jar;C:\Program Files\Java\jdk1.8.0_73\jre\lib\deploy.jar;C:\Program Files\Java\jdk1.8.0_73\jre\lib\ext\access-bridge-64.jar;C:\Program Files\Java\jdk1.8.0_73\jre\lib\ext\cldrdata.jar;C:\Program Files\Java\jdk1.8.0_73\jre\lib\ext\dnsns.jar;C:\Program Files\Java\jdk1.8.0_73\jre\lib\ext\jaccess.jar;C:\Program Files\Java\jdk1.8.0_73\jre\lib\ext\jfxrt.jar;C:\Program Files\Java\jdk1.8.0_73\jre\lib\ext\localedata.jar;C:\Program Files\Java\jdk1.8.0_73\jre\lib\ext\nashorn.jar;C:\Program Files\Java\jdk1.8.0_73\jre\lib\ext\sunec.jar;C:\Program Files\Java\jdk1.8.0_73\jre\lib\ext\sunjce_provider.jar;C:\Program Files\Java\jdk1.8.0_73\jre\lib\ext\sunmscapi.jar;C:\Program Files\Java\jdk1.8.0_73\jre\lib\ext\sunpkcs11.jar;C:\Program Files\Java\jdk1.8.0_73\jre\lib\ext\zipfs.jar;C:\Program Files\Java\jdk1.8.0_73\jre\lib\javaws.jar;C:\Program Files\Java\jdk1.8.0_73\jre\lib\jce.jar;C:\Program Files\Java\jdk1.8.0_73\jre\lib\jfr.jar;C:\Program Files\Java\jdk1.8.0_73\jre\lib\jfxswt.jar;C:\Program Files\Java\jdk1.8.0_73\jre\lib\jsse.jar;C:\Program Files\Java\jdk1.8.0_73\jre\lib\management-agent.jar;C:\Program Files\Java\jdk1.8.0_73\jre\lib\plugin.jar;C:\Program Files\Java\jdk1.8.0_73\jre\lib\resources.jar;C:\Program Files\Java\jdk1.8.0_73\jre\lib\rt.jar;E:\Workplace\DesignPattern\SimpleFactory\out\production\SimpleFactory" site.yanhui.section4.MainClass
Exception in thread "main" java.lang.ClassNotFoundException: Banana
at java.net.URLClassLoader.findClass(URLClassLoader.java:381)
at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:331)
at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
at java.lang.Class.forName0(Native Method)
at java.lang.Class.forName(Class.java:264)
at site.yanhui.section4.FruitFactory.getFruit(FruitFactory.java:13)
at site.yanhui.section4.MainClass.main(MainClass.java:9)
Process finished with exit code 1
明明有香蕉類，但是為什么一直報(bào)錯(cuò)說沒有找到類呢？
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