日期:2014-05-20 浏览次数:20796 次
public class ReflectTest { public static void main(String[] args){ String name; if(args.length > 0) name = args[0]; else{ Scanner scanner = new Scanner(System.in); name = scanner.next(); } try{ Class cl = Class.forName(name); Class supercl = cl.getSuperclass(); String modifiers = Modifier.toString(cl.getModifiers()); if(modifiers.length() > 0)System.out.print(modifiers + " " + name); if(supercl != Object.class) System.out.print(" extends " + supercl.getName() + "{\n"); //Method printMethodsInfo(cl); System.out.println(")\n"); } catch(ClassNotFoundException ex){ ex.printStackTrace(); } } static public void printMethodsInfo(Class cl){ Method[] methods = cl.getDeclaredMethods(); //Method[] methods = cl.getMethods(); for(Method m : methods){ String modifiers = Modifier.toString(m.getModifiers()); System.out.print(" "); if(modifiers.length() > 0) System.out.print(modifiers + " "); Class retType = m.getReturnType(); System.out.print(retType.getName() + " "); System.out.print(m.getName() + "("); Class[] paramTypes = m.getParameterTypes(); for(int j = 0; j < paramTypes.length; j++){ if(j != 0) System.out.print(" ,"); System.out.print(paramTypes[j].getName()); } System.out.println(");"); } } } //测试类 public class MyTest extends ParentTest{ public void func1(){ } } class ParentTest{ public void func2(){ } }