Test.java
----------------------------------------------------------------------------------------------------------
package deploy;
import java.util.Scanner;

import com.exception.*;
import Product.Product;
public class Test extends Product{
public static void main(String[] args) {
Product p[];
int total;
Test t=new Test();
System.out.println("Enter Number OF Items you wish to insert");

p=t.input(new Scanner(System.in).nextInt());
total=t.CalcTotal(p);
System.out.println("Total ==>"+total);
System.out.println("Enter Name Of Product To Search");
Scanner inputname=new Scanner(System.in);

String name=inputname.next();

try
{
t.Search(name,p);


}
catch(ProdNotFound pd)
{
System.out.println(""+pd.getMessage());

}
}
}

---------================================================

package Product;

import java.util.Scanner;

import com.exception.ProdNotFound;

public class Product 

{

int prodID;

String prodName;

int prodqty;

int totalqty;

int prodprice;

public Product() {

// TODO Auto-generated constructor stub

}

public Product[] input(int n)

{

Product []p=new Product[n];

for(int i=0;i<n;i++)

{

p[i]=new Product();

p[i].prodName=(new Scanner(System.in).next());

p[i].prodID=(new Scanner(System.in).nextInt());

p[i].prodqty=(new Scanner(System.in).nextInt());

p[i].prodprice=(new Scanner(System.in).nextInt());

}

return p;

}

public int CalcTotal(Product[] p)

{

int total = 0;

int totalprice;

for(Product one:p)

{

totalprice=(one.prodqty*one.prodprice);

if(totalprice>500)

{

System.out.println("Name"+one.prodName);

System.out.println("Product Qty"+one.prodqty);

System.out.println("Price"+one.prodprice);

}

}

return total;

}

public void list(Product p[])

{

for(Product one:p)

{

System.out.println("Name"+one.prodName);

System.out.println("Product Qty"+one.prodqty);

System.out.println("Price"+one.prodprice);

}

}

public void Search(String name,Product[] p) throws ProdNotFound

{

boolean flag=false;

for(Product one:p)

{

if(name.equalsIgnoreCase(one.prodName))

{

flag=true;

System.out.println("Name"+one.prodName);

System.out.println("Product Qty"+one.prodqty);

System.out.println("Price"+one.prodprice);

return;

}

else

{

flag=false;

}

}

if(flag==false)

{

throw new com.exception.ProdNotFound("Product NOt Found");

//System.out.println("Product not found");

}

}

}

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

ProdNotFound.java

package com.exception;

public class ProdNotFound extends Throwable{

/**

* 

*/

private static final long serialVersionUID = 1L;

public ProdNotFound(String msg) {

// TODO Auto-generated constructor stub

super(msg);

}

// TODO Auto-generated constructor stub

}