Course Content

Course Content


  • Making use of the literal function Object() { [native code] }. The literal function Object() { [native code] } [] can be used to generate a new array.
  • The use of a new keyword. The new function can also be used to build an array using arguments.
  • Making use of a block. Arrays can also be constructed by using new and a block.

Ruby arrays are collections of any object that are sorted and integer-indexed. An index is assigned to each element in an array and is used to refer to it.

  • Create the array that you want to nest another array in.
  • Construct the nested array.
  • Set the desired main array element to the nested array using the index operator.
  • You can also manually type the new array after deleting the main array element where you want to nest the array.

Using the syntax int[][] arrays = arr1, arr2, arr3,...; different arrays are formed and embedded in a single array in this technique. The array will now contain all of the arrays defined in the block. The parent array can be used to access all of the arrays defined within it.

By generating a new Array object and saving it in a variable, you can construct an empty array. This array will be empty when you first create it; you will need to populate it with other variables before you can use it. If you're reading a list of items from the keyboard or a file, this is a frequent technique to generate variables.

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