Helping friend 2

//In these examples, a and b are conditions that you check for
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while (a && b){
//do stuff
}
////////////////////////////////////////////////
//IS THE EXACT SAME THING as
////////////////////////////////////////////////

while(true){
if (!(a && b))
    break;
else
    //do stuff
}

////////////////////////////////////////////////
//IS THE EXACT SAME THING as (well, mostly the same thing as; this time a is evaluated, then if it passes, b is evaluated, rather than testing them both at the same time)
///////////////////////////////////////////////
while (a){
if (!b)
    break;
else
    //do stuff
}

////////////////////////////////////////////////
//IS THE EXACT SAME THING as (well, mostly the same thing as, the only thing that changes is that b is checked first this time)
///////////////////////////////////////////////
while (b){
if (!a)
    break;
else
    //do stuff
}