Interview Questions

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.

Before form , After form , Before report, Between page, After report.

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.

Be sure to emphasize those activities that may complement your on-the-job duties. For Example, if you're applying for a  position as a book-store manager, mentioning that you read three books per a week is highly appropriate. 

Various elements of OOP are:

• Object

• Class

• Method

• Encapsulation

• Information Hiding

• Inheritance

• Polymorphism

API stands for Application programming interface is very useful in cloud platforms as it allows easy implementation of it on the system. It removes the need to write full fledged programs. It provides the instructions to make the communication between one or more applications. It also allows easy to create application with ease and link the cloud services with other systems.

Gratuity is paid to all such employees after their resignation or retirement.Incase of resignation gratuity is paid to such employees who have completed 5 years of service.

Calculation of gratuity = Basic + DA x (15/26) x Total no. yrs service

15- Half month

26- Excluding 4 sundays

Autoboxing is the process of converting a primitive type data into its corresponding wrapper class object instance.

Example:

Integer number = new Integer (100); // number is now refers to the object 100

Unboxing is the process of converting a wrapper instance into a primitive type.

Example: 

Integer number = new Integer (100); 

int num = number;// without type casting number would be changed into int type