下列程序中哪些【代码】是错误的?Public class E {Public static void main(String args]) {Int x = 8;Byte b = 127; //【代码1】B = x; //【代码2】X = 12L; //【代码3】Long y=8.0; //【代码4】Float z=6.89 ; //【代码5】}