Predict the output:

class Sookshmas
{
   public static void main(String...k1)
    {
int k = 1;
while (k) //Compilation fails at line 6
{ 
} 
while (k = 10)//Compilation fails at line 9
{
} 
while (k == 10) //Compilation fails at line 12
{ 
} 
while (true) //Compilation fails at line 15
{ 
}
}
}