Arrays

  1. Definition, some array definitions:
public class ArrayDefs {
    public static viod main(String[] args) {
        //variable start with type followed by []
        float x[];
        int fib[] = {0, 1, 1, 2, 3, 5};

        x = new float[100];
        args = new String[10];

        //most commonly used
        //type variable = new type[size]
        boolean isPrime = new boolean[10];
        int fib[] = {0, 1, 1, 2, 3, 5};
    }
}
  • Get the length: array.length

  • Sort the array: Arrays.sort();

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