Array object

Question

Suppose I am having two arrays:

product[]p=new product[10]; //In this I am storing objects of a product with their names.

String[]order=new String [3];

Now I want to check whether the product that I ordered is available in the array product.

For example the compiler is running through a loop:

if(product[index].name==order[index])//Is this code correct??

Answer 1

Maybe better use string `equals` method, it's what people use to check for testing string content equality.

if(product[index].name.equals(order[index]))

Note that the comparison is case sensitive.

And you should probably use a different index variable for <product> array and <order> array. These arrays have different number of elements.

Answer 2

A simple answer would be, before the inner for loop initialize a count variable with value 0.

Inside if condition make count++.

Outside the inner for loop you can do-

if (count==0){
System.out.println("Not Found");
}

Answer 3

Use equalsIgnoreCase.
Rest Ipang explained clearly.

Answer 4

Thank you Avinesh

Answer 5

Order[]m={"bread","butter","cheese"};

product[]p=new product[10];

Suppose in the array p we have bread and butter. Cheese is not stored.

for(int i=0;i<m.length;i++)
{
for(int j=0;j<p.length;j++)
{
if(order[i].equals(p[j].name)
{
//If the product is found
}
}
}

How can I print "not found" only once if the product "cheese" is not stored in the array product?