java高手,帮我做几道简单的算术题!
来源:学生作业帮 编辑:搜搜考试网作业帮 分类:综合作业 时间:2024/06/15 12:50:54
java高手,帮我做几道简单的算术题!
9%8=?
20/8*8=?
-4321>>>30=?
123^321^123=?
a=255;
int expr = (byte)a+(((byte)a)&0xFF);
int expr ="123454321".charAt(4)+2;
2楼的 这个int expr ="123454321".charAt(4)+2 = 55
9%8=?
20/8*8=?
-4321>>>30=?
123^321^123=?
a=255;
int expr = (byte)a+(((byte)a)&0xFF);
int expr ="123454321".charAt(4)+2;
2楼的 这个int expr ="123454321".charAt(4)+2 = 55
![java高手,帮我做几道简单的算术题!](/uploads/image/z/7932496-40-6.jpg?t=java%E9%AB%98%E6%89%8B%2C%E5%B8%AE%E6%88%91%E5%81%9A%E5%87%A0%E9%81%93%E7%AE%80%E5%8D%95%E7%9A%84%E7%AE%97%E6%9C%AF%E9%A2%98%21)
9%8 = 1
20/8*8 = 16
-4321>>>30 = 3
123^321^123 = 321
int expr = (byte)a+(((byte)a)&0xFF) = 254
int expr ="123454321".charAt(4)+2 = 55
20/8*8 = 16
-4321>>>30 = 3
123^321^123 = 321
int expr = (byte)a+(((byte)a)&0xFF) = 254
int expr ="123454321".charAt(4)+2 = 55