?? newinstancedemo.java
字號(hào):
import java.util.*;
public class NewInstanceDemo {
public static void main(String[] args) {
try {
Class c = Class.forName(args[0]);
List list = (List) c.newInstance();
for(int i = 0; i < 5; i++) {
list.add("element " + i);
}
for(Object o: list.toArray()) {
System.out.println(o);
}
}
catch(ClassNotFoundException e) {
System.out.println("找不到指定的類");
} catch (InstantiationException e) {
e.printStackTrace();
} catch (IllegalAccessException e) {
e.printStackTrace();
}
}
}
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