u`
Ep.85uCNgZqAfNgZqv

p.85 CNgZqAfNgZq

EP++ZqFuϐ = ϐ + 1vuϐ++v܂́u++ϐvƋLqłACNgZqƂB
Eu++ϐvOuCNgZqAuϐ++vuCNgZqƂ
EOuƌu͒PƂōsꍇ͓ӖA]̃^C~OقȂ
EOȕꍇF1𑫂ŁǍʂ]Ƃ
EȕꍇF݂̒l]ƂĂA1𑫂
EF int i = 10; Console.Write(++i); Console.Write(i); //11 11ƂȂ
EF int i = 10; Console.Write(i++); Console.Write(i); //10 11ƂȂ
EC#ł͎^ϐɂp\ŁA1.0Z
EP--ZqFuϐ = ϐ - 1vuϐ--v܂́u--ϐvƋLqłAfNgZqƂB́u++vƓl

p.87 increment02.cs

//p.87 increment02.cs
using System;
class increment02
{
    public static void Main()
    {
        double a = 1.25;
        decimal d = -12.3M;
        Console.WriteLine(++a); // a = a + 1.0 ƂȂ
        Console.WriteLine(--d); // d = d - 1M ƂȂ
    }
}

p.88 ֌WZq

El̑召֌Wɂbool^(p.57)̖߂lԂZq̑
EQ==ZqFӂƉEӂ̒ltrueAłȂfalse
@u= =vNG
EQ!=ZqFӂƉEӂ̒lfalseAłȂtrue
@u! =vu=!vNG
EQ>=ZqFӂ̒lEӂ̒lȏȂtrueAłȂfalse
@u> =vu=>vNG
EQ<=ZqFӂ̒lEӂ̒lȉȂtrueAłȂfalse
@u< =vu=<vNG

AWKFp.57 bool01.cs

Ebool^̕ϐaAbɎu10 == 8 + 2vƁu1 + 3 != 4v̉ZʂlƂė^āAmF悤

쐬

//AWKFp.57 bool01.cs
using System;
class bool01
{
    public static void Main()
    {
        bool a = (10 == 8 + 2); //bool^Ԃ̕]ŏ
        bool b = (1 + 3 != 4);  //bool^Ԃ̕]ŏ
        Console.WriteLine("a = {0}, b = {1}", a, b); //\True/FalseƂȂ
        Console.WriteLine("a{0}", a.GetType()); //bool.NET^\
        Console.WriteLine("a͕ɂƁu{0}v", a.ToString()); //_l\
        Console.WriteLine("b͕ɂƁu{0}v", b.ToString()); //_l\
    }
}

p.88 Zq

EC#ł͗B̂RZqŁA\ZqŎł
EF bool^̒l⎮@ ? @Truȅꍇ̒l⎮ : @falsȅꍇ̒l⎮
Eu:v̑Ôǂ炩ŝŁuȂ灣łȂ΁vƂ\ɂȂ
F Concole.Write(a > 0 ? "̐" : "̐ł͂Ȃ");
F int max = (a > b) ? a : b; //ab̑傫maxɑ
E܂AlԂif-elseZqŕ\
EʂɌǖh~ׂ̈ɇ@JbRň͂ނƂ

~jK mini088.cs

ER\[琔lQ͂A傫(Q>ZqTrueɂȂ)\悤

쐬

//~jK mini088.cs
using System;
class mini088
{
    public static void Main()
    {
        Console.Write("AF"); int a = int.Parse(Console.ReadLine());
        Console.Write("BF"); int b = int.Parse(Console.ReadLine());
        Console.WriteLine("傫{0}", (a > b) ? a : b);
        //܂
        int max = (a > b) ? a : b;
        Console.WriteLine("傫{0}", max);
    }
}

p.89 _Zq

E_֌WZqAے艉ZqArbg_Zq̑

p.89 _֌WZq

E2&&ZqiʖFANDZqjFbool^bool^󂯎AtrueȂtrueԂAłȂfalseԂBāuȂ΁vƂ\ɗp
F Console.Write((x == 1) && (y == 1)); //x1y1ȂTrueAłȂFalse\
F string a = ((x == 1) && (y == 1)) ? "1" : "1Ƃ͌";
E2||ZqiʖFORZqjFbool^bool^󂯎AfalseȂfalseԂAłȂtrueԂBāu܂́Ȃ΁vƂ\ɗp
F Console.Write((x == 1) || (y == 1)); //x1܂y1ȂTrueAłȂFalse\
F string a = ((x == 1) || (y == 1)) ? "1" : "1͂Ȃ";
EāA_֌WZq͕̏Ȃ߂ɗp邱Ƃ

p.89 ے艉Zq

EP!ZqiʖFNOTZqjFbool^󂯎AtruefalseϊĕԂBāułȂ΁vƂ\ɗp
F Console.Write(!(x == 1)) ; //x1ȂFalseAłȂTrue\
F string a = !(x == 1) ? "1Ȃ" : "1";
EāAPȏł΁u!=vp₷
F string a = (x != 1) ? "1Ȃ" : "1";
EɁAGȏ̔]bool^Ԃ\bh(q)̌ʔ]Ȃǂɗp
F string a = !(x == 1 || y == 1) ? "ǂ1Ȃ" : "";
Ȃ݂ɂ (x != 1 && y != 1)ƓihEK̖@j

p.89 rbg_Zq

ERs[^ł̓f[^͂QiňA1rbgƂ
EF 32rbg̏ꍇA10i7  00000000 00000000 00000000 00000111
EC#ɂ͖{Af[^rbgPʂň@񋟂ĂȂ
EɁArbgɑłrbg_Zqp
EQ&ZqFӂ̐ƉEӂ̐QiɂēʒũrbgǂANDZ(11Ȃ1AłȂ0)̐Ԃ
E8rbg̏ꍇA2 & 3  00000010 & 00000011 = 00000010 Ȃ̂ 2
E0ƂAND͕K0ɂȂA1ƂAND͌̂܂܂ɂȂB𐶂āÃrbg~(܂0ɂ)ꍇɗp
E8rbg2rbgڂ~ꍇA00001110 & 00000010 = 00000010 Ȃ̂ 2
E8rbg2rbgڂ0ɂꍇA00001110 & 11111101 = 00001100 Ȃ̂ 12
EQ|ZqFӂ̐ƉEӂ̐QiɂēʒũrbgǂORZ(00Ȃ0AłȂ1)̐Ԃ
E8rbg̏ꍇA2 | 3  00000010 | 00000011 = 00000011 Ȃ̂ 3
E1ƂOR͕K1ɂȂA0ƂOR͌̂܂܂ɂȂB𐶂āÃrbg~(܂1ɂ)ꍇɗp
E8rbg6rbgڂ1ɂꍇA00001110 | 00100000 = 00101110 Ȃ̂ 44
EQ^Zq(rI_a:XOR)Fӂ̐ƉEӂ̐QiɂēʒũrbgǂXORZ(00A11Ȃ0AłȂ1)̐Ԃ
E1ƂXOR͔]ɂȂA0ƂXOR͌̂܂܂ɂȂB𐶂āÃrbg𔽓]ꍇɗp
E8rbg1,2rbgڂ𔽓]ꍇA00001110 ^ 00000011 = 00001101 Ȃ̂ 13
EC#ł͏L̂RZqbool^ɂgA1rbg̒lƂ݂ȂB
EāAQ&&Zq̑ɂQ&ZqAQ||Zq̑ɂQ|Zq𗘗pł邪AZ]̋@\͎Ȃ
EZ]FANDŐڑĂQ͂P߂falseƑŜfalsemȂ̂łQ߂͕]ȂBORŐڑĂQ͂P߂trueƑŜtruemȂ̂łQ߂͕]ȂB̂ƂŌオASオ
@F string d = (a != 0 && 100 / a > 10) ? "OK" : "NG"; //100a10H
@a0̎AZ]Łu100 / a > 10v̕]Ȃ̂ŁA[ZɂُIł

oF~jK mini088.cs

\Fp.94uZqv
