C#

//begin of Lock
<code>foreach</code>(<code>Object </code>o in al_A)
        <code>Monitor.Enter</code>(o);
...
//Doing some work
...

//End of lock
<code>foreach</code>(<code>Object </code>o in al_A)
        <code>Monitor.Exit</code>(o);

lock(al_A.SyncRoot)
{
  foreach(object a in al_A)
  {
    lock(a)
    {
      // use a
    }
  }
}

foreach(<code>Object </code>o in al_A)
        Monitor.Enter(<code>o</code>);

...

foreach(<code>Object </code>o in al_A)
        Monitor.Exit(<code>o</code>);

if (ShipPtchSM < 0)
{
 ...
}
else if (ShipPtchSM > 0)
{
 ...
}

if(ShipPitchSM>0)
{
   ShipPitchSM-= Friction;
   ShipPitchSM = Math.Max(0,ShipPitchSM);
   ShipPitchSM = Math.Min(ShipPitchSM,0.03);
}else
{
   ShipPitchSM += Friction;
   ShipPitchSM = Math.Min(0,ShipPitchSM);
   ShipPitchSM = Math.Max(-0.03,ShipPitchSM);
}

AdjustParam(ref double param, double friction)
{
   if (param < 0)
   {
     param=param + friction;
     if (param > 0) param=0;
     if (param < -0.03) param=-0.03;
   }
   else
   if (param > 0)
   {
     param=param - friction;
     if (param < 0) param=0;
     if (param > 0.03) param=0.03;
   }
}

AdjustParam(ref ShipPitchSM, Friction);
AdjustParam(ref ShipYawSM, Friction);
AdjustParam(ref ShipRollSM, Friction);

<font color="blue">private</font> <font color="blue">void</font> val() <br> { <br> 	<font color="#0000FF">int</font> x =-1; <br> 	<font color="#0000FF">switch</font>(x.CompareTo(0)<0) <br> 	{ <br> 		<font color="#0000FF">case true</font>: <br> 			MessageBox.Show("the value is less than zero!"); <br> 		<font color="#0000FF">break</font>; <br> 		<font color="#0000FF">case false</font>: <br>                         MessageBox.Show("the value is greater than zero!"); <br> 		<font color="#0000FF">break</font>; <br> 	} <br> } <br> 

switch (x < 0 ? -1 : x > 0 ? 1 : 0)
{
 case -1: // < 0
 ...
 case 0:  // == 0
 ...
 case 1:  // > 0
 ...
}