Question

Error: Main method is not static in class ArrayReview, please define the main method as:
public static void main(String[] args)

please help me fast:

import java.util. Random;
import java.util.Scanner;

//ArrayReview class
class ArrayReview
{
int array[];
  
//constructor
ArrayReview (int n)
{
array = new int[n];
//populating array
Random r = new Random();
for (int i=0;i<n; i++)
array[i] = r.nextInt ();
}
//getter method return integer at given index
int getElement (int i)
{
return array[i];
}
  
//method to set element at given index
void setElement(int i, int e)
{
array[i]=e;
}

public static void main(String argv[])
{
String s;
int n;
Scanner sc = new Scanner (System.in);
System.out.println("Enter the number of items: ");
n =sc.nextInt ();
  
//flush the buffer.
sc.nextLine();
  
while (n!=0)
{
System.out.println("Enter the colors detected in a single item: ");
s=sc.nextLine();
  
String b[] =s.split(" ");
int m= b.length;
int c=0;
// counting blues
for (int i=0; i< m; i++)
{
if (b[i].equals("blue"))
c++;
}
  
double p = ((double) c/m)* 100;
//if atleast 50%
if (50<=p)
System.out.println("Passed");
else
System.out.println("Failed");
n--;
}
}
}

Answer 1

Dear Student ,

As per the requirement submitted above , kindly find the below solution.

Here a new java program with name "ArrayReview.java" is created, which contains following code.

ArrayReview.java :

import java.util.Random;
import java.util.Scanner;
//ArrayReview class
public class ArrayReview {
   int array[];

   // constructor
   ArrayReview(int n) {
       array = new int[n];
       // populating array
       Random r = new Random();
       for (int i = 0; i < n; i++)
           array[i] = r.nextInt();
   }

   // getter method return integer at given index
   int getElement(int i) {
       return array[i];
   }

   // method to set element at given index
   void setElement(int i, int e) {
       array[i] = e;
   }
//entry point , main() method
   public static void main(String[] args) {
       String s;
       int n;
       //creating object of Scanner class
       Scanner sc = new Scanner(System.in);
       //asking user to enter
       System.out.println("Enter the number of items: ");
       n = sc.nextInt();//reading int

       // flush the buffer.
       sc.nextLine();

       while (n != 0) {
           System.out.println("Enter the colors detected in a single item: ");
           s = sc.nextLine();

           String b[] = s.split(" ");
           int m = b.length;
           int c = 0;
           // counting blues
           for (int i = 0; i < m; i++) {
               if (b[i].equals("blue"))
                   c++;
           }

           double p = ((double) c / m) * 100;
           // if atleast 50%
           if (50 <= p)
               System.out.println("Passed");
           else
               System.out.println("Failed");
           n--;
       }

   }

}

======================================================

Output : Compile and Run ArrayReview.java to get the screen as shown below

Screen 1 :ArrayReview.java

NOTE : PLEASE FEEL FREE TO PROVIDE FEEDBACK ABOUT THE SOLUTION.