Interview Questions

According to the classification, the claim of bond holder should be accounted first. After fulfilling all the claims of bond holder company should look after the stock holder.

Error-first callbacks are used to pass errors and data as well. You have to pass the error as the first parameter, and it has to be checked to see if something went wrong. Additional arguments are used to pass data.

fs.readFile(filePath, function(err, data) {
if (err) {
// handle the error, the return is important here
// so execution stops here
return console.log(err)
}
// use the data object
console.log(data)
})

1) List down usecases (taken from business cases) from function specs. For each use case write a test case and categorize them into sanity tests, functionality, GUI, performance etc. Then for each test case, write its workflow. 

2) For a GUI application - make a list of all GUI controls. For each control start writing test cases for testing of the control UI, functionality (impact on the whole application), negative testing (for incorrect inputs), performance etc. 

Immutable classes are Java classes whose objects can not be modified once created. Any modification in Immutable object result in new object. For example is String is immutable in Java. Mostly Immutable are also final in Java, in order to prevent sub class from overriding methods in Java which can compromise Immutability. You can achieve same functionality by making member as non final but private and not modifying them except in constructor.

HashCode method return int value. So the Hash value is the int value returned by the hash function .

If you want to do equality check or want to use your object as key in HashMap, we must override hashcode and equals() method.

In accounting, the Three-way Match refers to a procedure used when processing an invoice received from a vendor or supplier. The three-way match is an important step in safeguarding an organization's assets. The purpose of the three-way match is to avoid paying incorrect and perhaps fraudulent invoices.

Here Three-way refers to the three documents involved :

* Vendor's invoice which was received and will become part of an organization's accounts        payable if approved.

* Purchase order that was prepared by the organization.

* Receiving report that was prepared by the organization.

And Match refers to the comparison of the quantities, price per unit, terms, etc. appearing on the vendor's invoice to the information on the purchase order and to the quantities actually received.

After the vendor's invoice has been validated by the three-way match, it can be further processed for payment.

 From the customer point of view, credit is the amount which is deposited into her or his account. And debit refers to that amount which is taken from the account of the customer.