一模一樣怎么就報錯了呢
System.out.print(Integer.toHexString(buf[i]) & 0xff+" ")；
錯誤：The operator & is undefined for the argument type(s) java.lang.String, java.lang.String
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System.out.print(Integer.toHexString(buf[i]) & 0xff+" ")；
錯誤：The operator & is undefined for the argument type(s) java.lang.String, java.lang.String
2019-08-08
舉報
2020-04-09
System.out.print(Integer.toHexString(buf[i] & 0xff)+" ")；括號
2019-08-08
System.out.print(Integer.toHexString(buf[i] & 0xff )? + "? ?")??
(buf[i] & 0xff) + "? "? 你括號搞錯了