1 £ 4 ¤¤¤ ¨òåà ðí £ ¨predefined type £ ©
C # ì¹ ¹ © áëò »ïμá𤤨¨ò¨åà ðí¡¡ £ ëüãçóëc / c óð2 »éùïàëæμÄμØ · 1/2. £ ¤¨ ¨òåòýóàààííóðobjectoístring ¡ £
Objectààðíêçëùóóæääûûûà ðμμ »'' ¡ £
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Intoílong £ »þ þ ûoseåêýó £ obyte¡ ¢ ushort¡ ¢ uintoíulong £ »¸¡ μãýóð £ ofloatoídouble ¡ £
21/4ûûà ðí4íïññ »¸ö¿ ª¹Ø £ ¬¬ »óðá/1 ö ×'¬¬ £ otrue» òfalse¡ £ C # ôô21/100 ûûμäªçó ± ±c / c ñïñ £ ¬¬javaààëææ¡¡ £
Ôúc # öðfalse2 »μèóú0 £ ¬trueò22» μèóú1 £ »falseoítrue¶4êçμ ¥ àà öàë3öà'μä» ¸öμ¡ £ ñ¹¹c / c μäíøóñ
¶4ªªμà £ o * /
INT i = 0;
IF (i = 0) {// bug: ó| ¸ãç (i == 0)
....
}
/ * Êçã »óðîêìâμÄ¡ £ μ «ôúc # öð» áòý · ¢ ò »¸ ö ±ò''íîó £ ¨error CS0029: Cannot Implicitly Convert
Type 'int' to 'Bool' £ © £ £ μ ± è »£ ¬õññþþþéüáëò» μãã »óð ± Øªªμäáé» îðôô¡ £ òççôùò22 »ÄÜ õññ £ o * /
String Str;
....
IF (str = console.readline ()) {
Console.writeline ("Your Comments Are: {0}", STR);
....
/ * ØØ ± øðë £ o * /
Using system;
Class booltest
{
Static void main () {
String str = console.readline (); // ò2¿ Éòô £ oString Str;
IF (str == ") // if ((str = console.readline ()) ==" ")
Console.writeline ("i can't read your comments. Please tell me sadhing! O.k.?");
Else
Console.writeline ("Your Comments Are: {0}", STR);
}
}
/ *
Îò3áëò »õõ¤¤¤¨¨òååà ðμμä¼¼ ±¹ © 'ó¼ò2î¿ 1/4 ¡ £
TYPE DESCRIPTION EXAMPLES
Object The Ultimate Base Type of All Other Types Object O = New Stack ();
String string type; a string is a sequence of string s = "hello";
Unicode Characters
Sbyte 8-bit signed integral type sbyte val = 12;
Short 16-bit Signed Integral Type Short Val = 12; INT 32-bit Signed Integral Type Int Val = 12;
Long 64-bit signed integral type long Val1 = 12;
Long Val2 = 34L;
BYTE 8-bit unsigned integral type byte VAL1 = 12;
BYTE VAL2 = 34U;
Ushort 16-bit unsigned integral type ushort var1 = 12;
Ushort Val2 = 34U;
UINT 32-bit unsigned Integral Type uint VAL1 = 12;
UINT VAL2 = 34U;
Ulong 64-bit unsigned integral type ulong Val1 = 12;
Ulong Val2 = 34U;
Ulong Val3 = 56L;
Ulong Val4 = 78UL;
FLOAT SINGLE-Precision Floating Point Type Float Value = 1.23F;
Double Double-Precision Floating Point Type Double Val1 = 1.23
Double Val2 = 4.56d;
Bool Boolean Type; A Bool Value Is Either Bool Value = True;
True Or False
Char Character Type; a char value is a unicode char value = 'h';
Character
Decimal Precise Decimal Type with 28 Significant Digits Decimal Value = 1.23M;
Äã2¿ Éòô × ô¶ ¨¨òå (ô (μ μä줤¨¨òòà àí £ ¬¬ Éòôõõñ £ o * /
Using system;
Struct Digit
{...}
Class test
{
Static void testint () {
INT A = 1;
INT B = 2;
INT C = A B;
Console.writeLine (C);
}
Static void testdigit () {
Digit a = (DIGIT) 1;
Digit B = (DIGIT) 2;
Digit c = a b;
Console.writeLine (C);
}
Static void main () {
Testint ();
TestDigit ();
}
}
/ *
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