本代码是关于java的键盘的输入,当你输入o是会弹出新窗口,当你输入其他是它会在最上一排显示你输入的字符,对学习java的同学是好例子-the java code is on the keyboard input, when you enter o is the new pop-up window When you enter the other is that it will show your best suit the character input, to learn java stud

图像处理的简单例子，能够将图片进行灰度处理等。-Simple example of image processing, can be dealt with, such as gray-scale images.

Java调用C++的jni例子，很有意义-Java calls the jni example of c++, very meaningful