纯正的代码实录：public class A { public static void main(String[] args) { //声明byte型变量mybyte,并把byte型变量允许的最大值赋给mybyte byte mybyte = 127; int myint = 150; float myfloat = 150; char mychar=10; double mydouble=45.46546; /*将运算结果输出*/ System.out.pri