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.
How to declare an array. This is how an array in Java can be declared: ArrayDataType[] ArrayName; OR. ArrayDataType ArrayName[]; Where ArrayDataType defines the data type of the array elements like int, double etc. The ArrayName is the name of the array. You can also create/ Instantiate an array by using the new keyword as follows: In Java, to initialize an array you can use the new keyword as well: int arrayName = new int[10];