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Lecture Notes October 9th
Arrays (Cont.)
Another way of Array Initialization
String[] names = {"Jennifer", "Noodle", "Fluffy", "Rosie", "Cinnamon", "Brianne", "Oliver"}
Everything between the {}
is the initial values in the names array in the order that it is written.
Recall that arrays are of a fixed size. The names
array above has 7 elements.
What can I do if I want to add something to the names array?
Do the following steps:
- Create an empty array with the same size as the array
- Take all the contents in the array and store it in a temporary array
- Set names equal to another array of a bigger size
- Take all the contents in temp and store it back to the array of choice
- Add an element to the array by index
// (1)
String[] temp = new String[7];
// (2)
temp.clone(names);
// (3)
names = new String[20]; // Now it can hold up to 20 names
// (4)
names.clone(temp);
// (5)
names[7] = "New name!";