[問題] runtime error
Exception in thread "main" java.lang.NoClassDefFoundError: Ex01_4/java
Caused by: java.lang.ClassNotFoundException: Ex01_4.java
at java.net.URLClassLoader$1.run(Unknown Source)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.findClass(Unknown Source)
at java.lang.ClassLoader.loadClass(Unknown Source)
at sun.misc.Launcher$AppClassLoader.loadClass(Unknown Source)
at java.lang.ClassLoader.loadClass(Unknown Source)
Could not find the main class: Ex01_4.java. Program will exit.
為什麼所有程式都錯一樣啊?
class Mynumber {
int number;
}
class Ex01_4 {
public static void main(String[] args) {
Mynumber a= new Mynumber();
a.number= 10;
System.out.println("a.number= "+a.number);
}
}
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