Question

(ArrayIndexOutOfBoundsException) Write a program that meets the following requirements: ■ Creates an array with 100 randomly chosen integers. ■ Prompts the user to enter the index of the array, then displays the corresponding element value. If the specified index is out of bounds, display the message Out of Bounds.

Following modifications:

* Use either a Scanner object or JOptionPane.showInputDialog() for input.

* Use either System.out.println() or JOptionPane.showMessageDialog() for output.

* In addition to ArrayIndexOutOfBoundsException, also catch InputMismatchException or NumberFormatException, and Exception.

This assignment is completed by writing a single application (.java file) with a main() method that includes all the elements

Answer 1

//random1.java

import java.util.InputMismatchException;
import java.util.Scanner;
public class Random1
{
public static void main(String []args)
{
int[] array = new int[100];
for (int k = 0; k < array.length; k++)
{
array[k] = (int) (Math.random() * 100);
}
Scanner inputval = new Scanner(System.in);
System.out.print("Enter an index here: ");
try
{
int index = inputval.nextInt();
System.out.println("array[" + index + "] = " + array[index]);
}
catch (ArrayIndexOutOfBoundsException ex)
{
System.out.println("INDEX " + ex.getLocalizedMessage() + " is out of bounds");
}
catch(InputMismatchException ime)
{
System.out.println("Wrong input");  
}
catch (Exception exc)
{
System.out.println("YOU ENTERED AN INVALID INPUT");
}
}
}

Randomi.java 3 1e import java.util.InputMismatchException; 2 import java.util.Scanner; 3 public class Randoml 4. 5e public static void main (String []args) 7 int[] array new int[100]; 8 for (int k-0; k < array.length; k++) 9 10 array[k] - (int) (Math.random() *100); 12 Scanner inputval -new Scanner (System. in); 13 System.out.print("Enter an index here: "); 14 try 15 16 intindex inputval.nextInt(); 17 system . out. printin ("array(" + index + "] = " + array[index]); 18 19 catch (ArrayIndexOutofBoundsException ex) 20 21 System.out.println("INDEX + ex.getLocalizedMessage()is out of bounds"); 23 catch (InputMismatchException ime) 24 25 System.out.println("Wrong input"); 26 27 catch (Exception ex) 28 29 System.out.println("INVALID INPUT" 30 32 Problems JavadocDeclaration Console 3 <terminated> Randoml [Java Application] C:\Program FilesUavare1.8.0_121\bin\javaw.exe (Mar 25, 2017, 12.14:21 AM Enter an index here: 9 array[9] -58