import java.util.Arrays;

public class Example {
    public static void main(String[] args) {
        int[] heltall = new int[5];
        double[] flyttall = new double[5];
        char[] tegn = new char[5];
        String[] ord = new String[5];

        System.out.println(Arrays.toString(heltall));   // [0, 0, 0, 0, 0] 
        System.out.println(Arrays.toString(flyttall));  // [0.0, 0.0, 0.0, 0.0, 0.0]
        System.out.println(Arrays.toString(tegn));      // [, , , , ]
        System.out.println(Arrays.toString(ord));       // [null, null, null, null, null]
    }    
}