Float f = 9.0f; float ff = 9.0f; Float fff = f + ff; Double c = 7000.0; double cc = 7000.0; Double ccc = c + cc; Short s = 2; short ss = 2; Short sss = (short) (s + ss); Integer i = 3; int ii = 3; Integer iii = i + ii; Long l = 4L; long ll = 4; Long lll = l + ll;
常见数据类型
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