简述java类型转换机制。答:String MyNumber ="1234";int MyInt = Integer.parseInt(MyNumber);字符串转换成byte, short, int, float, double, long等数据类型,可以分别参考Byte, Short, Integer, Float, Double, Long类的parseXXX 方法。Java代码 a1=Integer.parseInt(s1);s1=Integer.toString(a1);a1=Integer.parseInt(s1);...