一个JAVA程序，实现的功能很简单，能够画线，可以重复多次划线-A JAVA program to realize the function is very simple, can draw a line, can be repeatedly crossed

运用Java设计的一个简单计算器运用程序。-This is a Calculater.

一个简单的能实现图片查看的java应用程序，可以实现jpg图片的放大，缩小，上一幅，下一幅，打开图片，查找图片等功能。-A simple achieve the picture to see the java application that can achieve amplification jpg picture, narrow, on a site next picture, open the picture, find pictures and other functions.