一个生成验证码的测试程序，给验证码叠加了正弦波，使字形扭曲，难以机器识别，但人眼容易识别。-a validation code generation test procedure for the verification code superimposed on the sine wave, the characters twisted, difficult to identify machines, But the human eye easily identifiable.

getcody 能生成图片验证码，防止机器发帖，注册等。防止猜解密码-getcode。can bik your good luck、

JAVA在Windows平台上生成机器码,JAVA在Windows平台上生成机器码-JAVA generates machine code on the Windows platform.