Interview Questions

boolean isFile();

- Sub Query also termed as Nested Query or Inner Query is used to get data from multiple tables.
- A sub query is added in the where clause of the main query.

There can be two types of subqueries:
a.) Correlated sub query :
- It can reference column in a table listed in the from list of the outer query but is not as independent as a query.
b.) Non-Correlated sub query :
- Results of this sub query are submitted to the main query or parent query.
- It is independent like a query

Here by this question the employer need to know do you have any computer skills for managing an admin's job.

Example Answer :

I'm proficient with Microsoft Office suite including Word, Excel, and Power Point. I'm very comfortable using these programs and have a lot of experience doing so in my previous job roles.

Priority: concern with application from the business point of view. It answers  How quickly we need to fix the bug? Or How soon the bug should get fixed?

Severity: concern with functionality of application. It deals with the impact of the bug on the application.

To do multi threading in java we use interfaces and classes defined in java.lang package.

Those classes and interfaces are:

Java.lang.Runnable, Java.lang. Thread, Java.lang.ThreadGroup

Path contains path of .exe files(commands).

Classpath contains path of packages. packages can be stored in folder or .jar files

new ClassName( arg1, arg2, .... argN);

Ex:

Class sample {

   Sample(int a) {

   System.out.println("arg con a =" +a);

   }

}

class Demo {

    Public static void main( String[] args) {

     Sample s1= new Sample(23);

     Sample s2= new Sample(45);

    }

}

Dispatcher recieves the request from client and assigns the request to one of the work process.
Roll area: Each workprocess works in a particular memory that memory is known as Role Area, which consists of User context and session data.
ABAP- Processor :is an interpretor which can execute logic