帕斯卡星球的循环

i := 3;
While i >= 0 Do
Begin 
    WriteLn(i);
    i := i - 1;
End;

int i = 3;
while (i >= 0)
{
    System.out.println(i);
    i--;
}

i := 0;
While i < 3 Do
Begin 
    WriteLn(i);
    i := i + 1;
End;

int i = 0;
while (i < 3)
{
    System.out.println(i);
    i++;
}

isExit := False;
While Not isExit Do
Begin
    ReadLn(s);
    isExit :=  (s = '退出');
End;

boolean isExit = false;
while (!isExit)
{
    String s = buffer.readLine();
    isExit = s.equals("退出");
}

While True Do
    WriteLn('C');

while (true)
    System.out.println('C');

While True Do
Begin
    ReadLn(s);
    If s = '退出' Then 
        Break;
End;

while (true) 
{
    String s = buffer.readLine();
    if (s.equals("退出")) 
        break;    
}