public Rect(int w, int h) {
Width = w;
Height = h;
}
public int Area() {
return Width * Height;
}
}
class UseRect {
static void Main() {
Rect rl = new Rect(4, 5);
Rect r2 = new Rect(7, 9);
Console.WriteLine(" rl: " + rl.AreaO);
Console.WriteLine(" r2: " + r2.Area());
}
}
, .
return Width * Height;
Area () , Width Height, , , . .
return this.Width * this.Height;
this , Area (). , this.Width Width , this. Height Height . , Area () , this . this .
this . , . , Rect ()
Width = w;
Height = h;
.
this.Width = w; this.Height = h;
, . Rect, this.
Using System;
class Rect {
Public int Width; public int Height;
public Rect(int w, int h) { this.Width = w; this.Height = h;
}
public int Area() {
return this.Width * this.Height;
}
}
class UseRect {
static void Main() {
Rect rl = new Rect(4, 5);
Rect r2 = new Rect(7, 9);
Console.WriteLine(" rl: " + rl.AreaO);
Console.WriteLine(" r2: " + r2.Area());
}
}
this #, , . this . , C# , . . this. , C# Rect ().
public Rect(int Width, int Height) { this.Width = Width; this.Height = Height;
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}
Rect () , , . "" this.
7
#. string, fore a ch.
. C# , , . , . , , , .
, . , , , , , , . , , .
C# , . : . ,
. , " ".
. . , .
foro , , C# . -, , . -, , new. , :
[] _ = new [];
. , . , . , . .
C++, , #. , , .
. int, , sample.
int[] sample = new int[10];
sample , new. , int.
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, . :
int[] sample; sample = new int[10];
sample - , . .
: . C# . , sample 10 0 9. . , sample sample [ 0 ], sample [ 9 ]. , 10 sample.
// .
Using System;
class ArrayDemo {
static void Main() {
int[] sample = new int[10];
4 int i;
for(i =0; i < 10; i = i+1) sample[i] = i;
for(i = 0; i < 10; i ■= i + 1)
Console.WriteLine("sample[" + i + "]: " + sample[i]);
}
}
