|
| |
| 7. 4. 2. 系统类的反射 |
|
|
|
import java.lang.reflect.Constructor;
import java.lang.reflect.Field;
import java.lang.reflect.Method;
public class ReflectionDemo1 {
public static void main(String args[]) {
try {
Class c = Class.forName("java.awt.Dimension");
System.out.println("Constructors:");
Constructor constructors[] = c.getConstructors();
for (int i = 0; i < constructors.length; i++) {
System.out.println(" " + constructors[i]);
}
System.out.println("Fields:");
Field fields[] = c.getFields();
for (int i = 0; i < fields.length; i++) {
System.out.println(" " + fields[i]);
}
System.out.println("Methods:");
Method methods[] = c.getMethods();
for (int i = 0; i < methods.length; i++) {
System.out.println(" " + methods[i]);
}
} catch (Exception e) {
System.out.println("Exception: " + e);
}
}
}
|
|
|