runtimeclassinfo.java

java程序设计源代码

import java.lang.reflect.*;
class RunTimeClassInfo 
{
	public static void main(String[] args) 
	{
		Object obj = new java.awt.Color(1,1,1);
		Class cls = obj.getClass();
		System.out.println( "类名:" + cls.getName() );
		Field [] fields = cls.getFields();
		for( int i=0; i<fields.length; i++ ){
			Field f = fields[i];
			System.out.println( "域:" + f.getName() + ":" + f );
		}
		Method [] methods = cls.getMethods();
		for( int i=0; i<methods.length; i++ ){
			Method m = methods[i];
			System.out.println( "方法：" + m.getName() + ":" + m );
		}
	}
}