zhanggang807

public class MyClassGeneratorByASM {
  
    public static void main(String[] args) throws IOException {
  
        System.out.println();  
        ClassWriter classWriter = new ClassWriter(0);
        // 通过visit方法确定类的头部信息  
        classWriter.visit(Opcodes.V1_7,// java版本
                Opcodes.ACC_PUBLIC,// 类修饰符  
                "Programmer", // 类的全限定名  

zhanggang807

public class UserServiceImpl {

    public void add() {
        System.out.println("This is add service");
    }

    public void delete(int id) {
        System.out.println("This is delete service?delete " + id);
    }

zhanggang807

public interface Service {

    //目标方法
    public abstract void add();

}

class UserServiceImpl implements Service {

    public void add() {

zhanggang807

public interface Subject {

    void request();

}

class RealSubject implements Subject {

    public void request() {
        System.out.println("RealSubject");

zhanggang807

; /usr/local/bin/nasm -f macho 32.asm && ld -macosx_version_min 10.7.0 -o 32 32.o && ./32

global start

section .text
start:
    push    dword msg.len
    push    dword msg
    push    dword 1
    mov     eax, 4