g.fillOval(x,y,2*r,2*r);
if (n > 0) { istruzioni... }else{ istruzioni... }
for(int i=0;i < n;i++){ istruzioni } while ( i < 5) { i=a.doSomething(); } do { i=a.doSomething(); } while ( i < 5)
switch( i ){ case 1: b.func(); case 2: a.func(); default: c:func(); }
while ( i < 5) { i=a.doSomething(); if(i<0) break; } jmp0: while (b.func()) { if (a.func()) continue jmp0; else continue jmp1; } jmp1: