声明:本栏目所使用的素材都是凯哥学堂VIP学员所写,学员有权匿名,对文章有最终解释权;凯哥学堂旨在促进VIP学员互相学习的基础上公开笔记。 常用类·Robot类 是软件控制发出鼠标和键盘的命令。 鼠标方法: 移动鼠标的位置:mouseMove(int x,int y) 鼠标的按下:mousePress(InputEvent.BUTTON1_DOWN_MASK) 鼠标的弹起:mouseRelease(InputEvent.BUTTON1_DOWN_MASK) 鼠标的滚轴:mouseWheel(10) ![image](http://os78f4hny.bkt.clouddn.com/201808240001.jpg?imageMogr2/blur/1x0/quality/75%7Cwatermark/1/image/aHR0cDovL29zNzhmNGhueS5ia3QuY2xvdWRkbi5jb20vd2F0ZXJtYXJrLnBuZw==/dissolve/50/gravity/SouthEast/dx/10/dy/10%7Cimageslim&ynotemdtimestamp=1535100859451)
键盘方法: 键盘按下:keyPress(KeyEvent.VK_ENTER) 键盘弹起:keyRelease(KeyEvent.VK_ENTER) 数据计算 ![image](http://os78f4hny.bkt.clouddn.com/201808240002.jpg?imageMogr2/blur/1x0/quality/75%7Cwatermark/1/image/aHR0cDovL29zNzhmNGhueS5ia3QuY2xvdWRkbi5jb20vd2F0ZXJtYXJrLnBuZw==/dissolve/50/gravity/SouthEast/dx/10/dy/10%7Cimageslim&ynotemdtimestamp=1535100859451)
先方法,后缩小 ![image](http://os78f4hny.bkt.clouddn.com/201808240003.jpg?imageMogr2/blur/1x0/quality/75%7Cwatermark/1/image/aHR0cDovL29zNzhmNGhueS5ia3QuY2xvdWRkbi5jb20vd2F0ZXJtYXJrLnBuZw==/dissolve/50/gravity/SouthEast/dx/10/dy/10%7Cimageslim&ynotemdtimestamp=1535100859451)
·BigDEcimal类 自身不发生改变 ![image](http://os78f4hny.bkt.clouddn.com/201808240004.jpg?imageMogr2/blur/1x0/quality/75%7Cwatermark/1/image/aHR0cDovL29zNzhmNGhueS5ia3QuY2xvdWRkbi5jb20vd2F0ZXJtYXJrLnBuZw==/dissolve/50/gravity/SouthEast/dx/10/dy/10%7Cimageslim&ynotemdtimestamp=1535100859451)
·BigInteger类 大数据类型 ![image](http://os78f4hny.bkt.clouddn.com/201808240005.jpg?imageMogr2/blur/1x0/quality/75%7Cwatermark/1/image/aHR0cDovL29zNzhmNGhueS5ia3QuY2xvdWRkbi5jb20vd2F0ZXJtYXJrLnBuZw==/dissolve/50/gravity/SouthEast/dx/10/dy/10%7Cimageslim&ynotemdtimestamp=1535100859451)
·正则表达式: 通过一个表达式,说清楚字符串的结构 通过表达式去验证字符串的正确性 ![image](http://os78f4hny.bkt.clouddn.com/201808240006.jpg?imageMogr2/blur/1x0/quality/75%7Cwatermark/1/image/aHR0cDovL29zNzhmNGhueS5ia3QuY2xvdWRkbi5jb20vd2F0ZXJtYXJrLnBuZw==/dissolve/50/gravity/SouthEast/dx/10/dy/10%7Cimageslim&ynotemdtimestamp=1535100859451)
·Arrays 数组帮助类 sort 排序 toString 打印数组中的所有数据 binarySearch 搜索 ![image](http://os78f4hny.bkt.clouddn.com/201808240007.jpg?imageMogr2/blur/1x0/quality/75%7Cwatermark/1/image/aHR0cDovL29zNzhmNGhueS5ia3QuY2xvdWRkbi5jb20vd2F0ZXJtYXJrLnBuZw==/dissolve/50/gravity/SouthEast/dx/10/dy/10%7Cimageslim&ynotemdtimestamp=1535100859451)
equals 比较数组是否一致 ![image](http://os78f4hny.bkt.clouddn.com/201808240008.jpg?imageMogr2/blur/1x0/quality/75%7Cwatermark/1/image/aHR0cDovL29zNzhmNGhueS5ia3QuY2xvdWRkbi5jb20vd2F0ZXJtYXJrLnBuZw==/dissolve/50/gravity/SouthEast/dx/10/dy/10%7Cimageslim&ynotemdtimestamp=1535100859451)
fill 数组的覆盖 ![image](http://os78f4hny.bkt.clouddn.com/201808240009.jpg?imageMogr2/blur/1x0/quality/75%7Cwatermark/1/image/aHR0cDovL29zNzhmNGhueS5ia3QuY2xvdWRkbi5jb20vd2F0ZXJtYXJrLnBuZw==/dissolve/50/gravity/SouthEast/dx/10/dy/10%7Cimageslim&ynotemdtimestamp=1535100859451)
·jar包 java的压缩包 zip格式 只是把后缀变成了 jar jar是可以点击运行 ·集合框架 集合是一个无限存储的容器 数组集合 链表集合 哈希集合 二叉树集合 数组集合System.arraycopy 数组对象 从第几个下标开拷贝 接受的数组对象 从第几个下标开始存放 要拷贝多长 数组集合 1.0 ![image](http://os78f4hny.bkt.clouddn.com/201808240010.jpg?imageMogr2/blur/1x0/quality/75%7Cwatermark/1/image/aHR0cDovL29zNzhmNGhueS5ia3QuY2xvdWRkbi5jb20vd2F0ZXJtYXJrLnBuZw==/dissolve/50/gravity/SouthEast/dx/10/dy/10%7Cimageslim&ynotemdtimestamp=1535100859451)
数组集合2.0 ![image](http://os78f4hny.bkt.clouddn.com/201808240011.jpg?imageMogr2/blur/1x0/quality/75%7Cwatermark/1/image/aHR0cDovL29zNzhmNGhueS5ia3QuY2xvdWRkbi5jb20vd2F0ZXJtYXJrLnBuZw==/dissolve/50/gravity/SouthEast/dx/10/dy/10%7Cimageslim&ynotemdtimestamp=1535100859451)
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