package org.yp.ypfinancing.core.service.payV2.domain.service.Sdp.utils; public final class Base64 { static private final int BASELENGTH = 128; static private final int LOOKUPLENGTH = 64; static private final int TWENTYFOURBITGROUP = 24; static privat…
public class Base64{ /** * how we separate lines, e.g. \n, \r\n, \r etc. */ private String lineSeparator = System.getProperty("line.separator"); /** * max chars per line, excluding lineSeparator. A multiple of 4. */ private int lineLength = 72;…
相信对于继承和多态的概念性我就不在怎么解释啦!不管你是.Net还是Java面向对象编程都是比不缺少一堂课~~Net如此Java亦也有同样的思想成分包含其中. 继承,多态,封装是Java面向对象的3大特征. 继承 如果用.Net写一个A类继承B类的话,写法会是大致如下: Public Class A : B{ ....... } Java的话却要通过extends关键字在声明类的时候指定其父类(基类),所以上面的.Net写法要转换成Java的话应该是下面的样子: Public clas A ext…