java动态编程一例

Test.java

package test;

import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Method;

public class Test {
	public static void main(String[] args) {
		try {
			Test test = new Test();
			test.test_4();
		} catch (InstantiationException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		} catch (IllegalArgumentException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		} catch (IllegalAccessException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		} catch (InvocationTargetException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		} catch (SecurityException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		} catch (NoSuchMethodException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}
	}

	public void test_4() throws SecurityException, NoSuchMethodException, IllegalArgumentException,
			IllegalAccessException, InvocationTargetException, InstantiationException {
		Method method = SubTest.class.getMethod("test", int.class, String.class);
		Object obj = method.invoke(SubTest.class.newInstance(), 5, "name");
		System.out.println(((Property) obj).getId());
		System.out.println(((Property) obj).getName());
	}

	public void test_3() throws SecurityException, NoSuchMethodException, IllegalArgumentException,
			IllegalAccessException, InvocationTargetException, InstantiationException {
		Method method = SubTest.class.getMethod("main", String[].class);
		method.invoke(SubTest.class.newInstance(), (Object) new String[] { "1", "ad", "eee" });
	}

	public void test_2() throws SecurityException, NoSuchMethodException, IllegalArgumentException,
			IllegalAccessException, InvocationTargetException, InstantiationException {
		Method method = SubTest.class.getMethod("test1", String[].class);
		method.invoke(SubTest.class.newInstance(), (Object) new String[] { "1", "ad", "eee" });
	}

	public void test_1() throws SecurityException, NoSuchMethodException, IllegalArgumentException,
			IllegalAccessException, InvocationTargetException, InstantiationException {
		Method method = SubTest.class.getMethod("test1", String.class);
		Object obj = method.invoke(SubTest.class.newInstance(), (Object) "ad");
		System.out.println((String) obj);
	}
}

SubTest.java

package test;

public class SubTest {
	public static void main(String[] args) {
		if (args != null) {
			for (int i = 0; i < args.length; i++) {
				System.out.println(args[i]);
			}
		}
	}

	public void test1(String[] args) {
		if (args != null) {
			for (int i = 0; i < args.length; i++) {
				System.out.println(args[i]);
			}
		}
	}

	public String test1(String arg) {
		return arg;
	}

	public Property test(int id, String name) {
		return new Property(id, name);
	}
}

Property.java

package test;

public class Property {
	public int id;

	public String name;

	public Property(int id, String name) {
		super();
		this.id = id;
		this.name = name;
	}

	public int getId() {
		return id;
	}

	public void setId(int id) {
		this.id = id;
	}

	public String getName() {
		return name;
	}

	public void setName(String name) {
		this.name = name;
	}
}