刚学
C#10.0
引用空间在解决方案里,单击打开代码编辑或查看。也可以右键解决方案-属性里编辑。
命名要规范,double类型不要拿来做==的对比,目前有个疑问。
C#的格式化字符串不太能理解,还有
Console.WriteLine(format:"{0,-10} {1,6:NO}",arg0:"Name",arg1:"Count"); Console.WriteLine("{0,-10} {1,6:NO}", "Name", "Count");
这俩差别在哪?
看完第二章了,练习2.3:
自己写的:
using static System.Console; string[] a = new[]{"sbyte","byte","short","ushort","int","uint","long","ulong","float","double","decimal"}; WriteLine("------------------------------------------------------------------------"); WriteLine("{0,-8}{1,-17}{2,17}{3,30}","Type","Byte(s) of memory","min","Max"); WriteLine("------------------------------------------------------------------------"); WriteLine($"{a[0],-8}{sizeof(sbyte),-4}{sbyte.MinValue,30}{sbyte.MaxValue,30}"); WriteLine($"{a[1],-8}{sizeof(byte),-4}{byte.MinValue, 30}{ byte.MaxValue,30}"); WriteLine($"{a[2],-8}{sizeof(short),-4}{short.MinValue,30}{short.MaxValue,30}"); WriteLine($"{a[3],-8}{sizeof(ushort),-4}{short.MinValue,30}{short.MaxValue,30}"); WriteLine($"{a[4],-8}{sizeof(int),-4}{int.MinValue,30}{int.MaxValue,30}"); WriteLine($"{a[5],-8}{sizeof(uint),-4}{uint.MinValue,30}{uint.MaxValue,30}"); WriteLine($"{a[6],-8}{sizeof(long),-4}{long.MinValue,30}{long.MaxValue,30}"); WriteLine($"{a[7],-8}{sizeof(ulong),-4}{ulong.MinValue,30}{ulong.MaxValue,30}"); WriteLine($"{a[8],-8}{sizeof(float),-4}{float.MinValue,30}{float.MaxValue,30}"); WriteLine($"{a[9],-8}{sizeof(double),-4}{double.MinValue,30}{double.MaxValue,30}"); WriteLine($"{a[10],-8}{sizeof(decimal),-4}{decimal.MinValue,30}{decimal.MaxValue,30}"); WriteLine("------------------------------------------------------------------------");
运行:
看了眼mark的代码:
using static System.Console; WriteLine("--------------------------------------------------------------------------"); WriteLine("Type Byte(s) of memory Min Max"); WriteLine("--------------------------------------------------------------------------"); WriteLine($"sbyte {sizeof(sbyte),-4} {sbyte.MinValue,30} {sbyte.MaxValue,30}"); WriteLine($"byte {sizeof(byte),-4} {byte.MinValue,30} {byte.MaxValue,30}"); WriteLine($"short {sizeof(short),-4} {short.MinValue,30} {short.MaxValue,30}"); WriteLine($"ushort {sizeof(ushort),-4} {ushort.MinValue,30} {ushort.MaxValue,30}"); WriteLine($"int {sizeof(int),-4} {int.MinValue,30} {int.MaxValue,30}"); WriteLine($"uint {sizeof(uint),-4} {uint.MinValue,30} {uint.MaxValue,30}"); WriteLine($"long {sizeof(long),-4} {long.MinValue,30} {long.MaxValue,30}"); WriteLine($"ulong {sizeof(ulong),-4} {ulong.MinValue,30} {ulong.MaxValue,30}"); WriteLine($"float {sizeof(float),-4} {float.MinValue,30} {float.MaxValue,30}"); WriteLine($"double {sizeof(double),-4} {double.MinValue,30} {double.MaxValue,30}"); WriteLine($"decimal {sizeof(decimal),-4} {decimal.MinValue,30} {decimal.MaxValue,30}"); WriteLine("--------------------------------------------------------------------------");
…..字符串能直接塞里面去啊,尬了
睡了睡了,今天就到这
原文地址:http://www.cnblogs.com/miea/p/16920698.html
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