javascript array
//create an array like so:
var colors = ["red","blue","green"];
//you can loop through an array like this:
for (var i = 0; i < colors.length; i++) {
console.log(colors[i]);
}javascript array
//create an array like so:
var colors = ["red","blue","green"];
//you can loop through an array like this:
for (var i = 0; i < colors.length; i++) {
console.log(colors[i]);
}array
import java.util.Scanner;
public class BooleanPrimes {
public static void main(String[] argh)
{
Scanner scanner = new Scanner(System.in);
System.out.println("Enter a number: ");
int size = scanner.nextInt();
boolean[] boolarray = new boolean[size];
generatorBoolArray(boolarray);
}
public static boolean[] generatorBoolArray(boolean[] boolArr)
{
for (int i = 2; i < boolArr.length; ++i)
{
boolArr[i] = true;
}
return chickIfIndexisPrime(boolArr, boolArr.length);
}
public static boolean[] chickIfIndexisPrime(boolean[] arrIsPrime, int input)
{
int start = 2;
while (start <= input)
{
int i = 2;
boolean isprime = true;
while(i < start )
{
if(start%i == 0) {
isprime = false;
}
++i;
}
if(isprime==true){
for(int j=4; j<arrIsPrime.length ;++j)
{
if(j%start ==0)
{ j=j==start?++j:j;
arrIsPrime[j]=false;
}
}
}
++start;
}
printArray(arrIsPrime);
return arrIsPrime;
}
public static void printArray(boolean[] arr){
System.out.println("Prime numbers: ");
int i=0,j = 0 ;
while(i<arr.length){
if(arr[i]==true){
System.out.print(i+",");
}
++i;
}System.out.println();
while(j<arr.length){
System.out.print("{Index: "+j+" "+arr[j]+"} ");
++j;
}
}
}Copyright © 2021 Codeinu
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