Interview Questions

Recovery/error testing is testing how well a system recovers from crashes, hardware failures, or other catastrophic problems.

JDBC technology is an API (included in both J2SE and J2EE releases) that provides cross-DBMS connectivity to a wide range of SQL databases and access to other tabular data sources, such as spreadsheets or flat files. With a JDBC technology-enabled driver, you can connect all corporate data even in a heterogeneous environment.

A candidate should not be shy here. Someone who tells you that they are uncomfortable when being solicited for proprietary charges by other retailers will not be successful in your organization. If that is something that you as a candidate struggle with, make sure that you portray your desire to succeed. Tell the employer that it is something that you are gaining skills on, and would love the opportunity to perfect your script.

We can use the following method call:

boolean createNewFile();

This method creates a new file on the HD. 

If a file is already existing with the name given in the constructor then this method does not creates file on HD.

If file is successfully created then this method returns true.

If file is already existing on the HD then this method returns false.

This method may throw IOException whenever IO error is generated while creating file on HD.

If we print any object by using println() or print() methods.

The println() or print() methods internally calls tostring() method and prints the return value of toString() method.

Various elements of OOP are:

• Object

• Class

• Method

• Encapsulation

• Information Hiding

• Inheritance

• Polymorphism

Pass By Reference means the passing the address itself rather than passing the value. Passby Value means passing a copy of the value to be passed.

The balance of an account is determined by the difference of credits amount and debits amount in the sheet.