LiveStreet

/* 
 * How To Write Faster Loops (after Dan Bornstein, Google Engineer) 
 *  
 * - http://www.youtube.com/watch?v=ptjedOZEXPM 
 * 
 */  
  
/* 1 (быстрый) */  
for (int i = initializer; i >= 0; i--) { ... }  
   
/* 2 */  
int limit = calculateLoopLimit();  
for (int i = 0; i < limit; i++) { ... }  
  
/* 3 */  
Type[] array = getMyArray();  
for (Type obj : array) { ... }  
  
/* 4 */  
for (int i = 0; i < array.length; i++) { ... }  
  
/* 5 */  
for (int i = 0; i < this.var; i++) { ... }  
  
/* 6 */  
for (int i = 0; i < obj.size(); i++) { ... }  
  
/* 7 (медленный) */  
Iterable<Type> list = getMyList();  
for (Type obj : list) { ... }