series of array functions that can determine if a nubmer is prime
import java.util.Arrays;
public class isprime {
public static void main(String[] args) {
System.out.println(isprime(8));
}
public static int[] intarr(int...args) {
return args;
}
public static String[] strarr(String...args) {
return args;
}
public static int[] intrange(int limit) {
int[] lst = new int[limit];
for(int i=0; i < limit; i++) {
lst[i] = i;
}
return lst;
}
public static int[] int_interval(int start, int end) {
int[] lst = new int[end-start];
int assigner = start;
for(int i=0; i < end-start; i++) {
lst[i] = assigner;
assigner++;
}
return lst;
}
public static int[] oddrange(int limit) {
int[] lst = new int[limit/2];
int oddcount = 0;
for(int i=0; i < limit;i++) {
if (i%2 != 0) {
lst[oddcount] = i;
oddcount ++;
}
}
return lst;
}
public static boolean isprime(int num) {
int[] checklist = int_interval(2, num);
boolean result = true;
for(int elem: checklist) {
if (num % elem == 0) {
result = false;
}
}
return result;
}
}