计算器,有点错误,望高人指教

some example source of java,for beginner.inside there are a lot of sample examples

用JAVA语言编写的一段代码，实现二分查找法，重要的是理解他的思想。-JAVA language using a section of code, the realization of binary search method, it is important to understand his thinking.

一个网络spider，可以实现制定ulr的网页下载-a network of spider, can achieve the development ulr downloaded from the website

SSD3的EX5，绝对OK，已经得了100分，大家放心下载-SSD3 the EX5, is absolutely OK, has won 100 points, we rest assured downloads

一个简单JAVA程序的原码,功能简单,但已验证过,可以正常运行.-A simple JAVA program

magic square 从各个角相加都是相等的-magic square from various angle is equal to the sum of

客户端浏览医学图像的jsp源代码。可用于临床工作站。-client View Medical Image jsp source code. Clinical workstations can be used.

JVM参数调优及JAVA工具使用,JVM参数调优及JAVA工具使用JVM参数调优及JAVA工具使用JVM参数调优及JAVA工具使用(jvmjvmj,vmjvmjvmjvmjvmjv mjvmjvmjvmj vmjvmjvmjvmjvmjvmjvmjvmjvmjvm)

接上一个程序 播放器可以实现波形的显示 还可以改变采样点个数和算法-procedures connected to a player can achieve waveform display can also change the number and sampling algorithm

这是我编的java点歌程序，运行 点歌.html 你就可以开始点歌了，在下拉菜单中选种你要听的歌曲，浏览器就回为你播放了，真的很棒呀！-This is Part I of java parlors, the running parlors. Html you can start parlors, in the drop-down menu selection you want to hear the song, the browser on your back for the players, really great!