To use a keyboard shortcut, hold down one or more modifier keys while pressing the last key of the shortcut. For example, to use the shortcut Command-C (copy), hold down Command, press C, then release both keys. Mac menus and keyboards often use symbols for certain keys, including the modifier keys: 1  Command â.
The syntax of the JavaScript for â¦ in loop is as follows: 1  Iterates through all enumerable properties of an object. 2  Iterates through all used indices of array including all user-defined properties of array object, if any. 3  Thus it may be better to use a traditional for loop with a numeric index when iterating over arrays.
See an int Array example online. A few main points about arrays in Java: 1  The Array is a data structure in Java that can hold one or more values in a single variable. 2  Array in Java is a collection of similar type of values. 3  Java has two types of arrays â single dimensional and multidimensional arrays. 4  Array index starts at 0.