Arrays case

import java.util.*;
class Example
{
	public static void main(String args[])
	{
		Scanner input=new Scanner(System.in);
	                     int[] x=new int[4];
                     	String[] y=new String[5];
                     	char r;
		System.out.print("How Many Student Detail Do you want Enter  :");
	                     int count=Integer.parseInt(input.nextLine());
		for(int i=1;i<=count;i++)
		{
                     		System.out.print("Enter student ID :");
	                     	x[i]=Integer.parseInt(input.nextLine());
		                     System.out.print("Enter student Name :");
                     	                     y[i]=input.nextLine();
                                          	
		 }	
		
	                 	do 
		{
			System.out.print("Student has been added successfully.Do you want to add a new student (y/n) :");
		                     r = input.next().charAt(0);
			count=1;  
			System.out.print("Enter student ID :");
	                     	x[count]=Integer.parseInt(input.nextLine());
		                     System.out.print("Enter student Name :");
                     	                     y[count]=input.nextLine();
			
	                     } while (r == 'y');
							  
	}
}