题目内容

阅读下列代码，下列（）选项正确1 public class Test{2public static void main(String args[]){3int x=8;4byte b=127;5b=x;6x='a';7long y=b;8float z=(int)6.89;9}10 }

A. 第6行错误
B. 第7行错误
C. 第5行错误
D. 第8行错误

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