Technology Questions

Q:

What is the differnce among public, protected and package access data?

Answer

If we are not using packages and if we are not using inheritance then there is no difference among public, protected and package access data.

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Subject: Java

0 2117
Q:

What are wrapped classes ?

Answer

Wrapped classes are classes that allow primitive types to be accessed as objects.

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Subject: Java

0 2116
Q:

How to get last modified date of a file?

Answer

long lastModified();


we can give this return value to a date object and we can get data to be displayed.

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Subject: Java

0 2116
Q:

What is CSS selector?

Answer

- Basically it is a string that identifies the elements to which a particular declaration or set of declarations will apply. 


- It can also be referred to as a link between the HTML document and the style sheet. 


- It is equivalent of HTML elements.


For example : 


A {text-indent: 12pt}


Here, the selector is A, which is called as type selector.

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Subject: Web Technology

0 2112
Q:

What is polymorphism?

Answer

It is the ability of an object to behave differently on different situations for the same message.

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Subject: Java

0 2111
Q:

What is the difference between SAP memory and ABAP memory?

Answer

sap memory is a global memory whereas abap memory is local memory.

For example, we have four programs in abap memory and assigned some varibles to a particular program in abap memory then those varibles can't be used by anyother program in abap memory i.e., the variables are only for that program and also local to that memory,whereas sap memory can access all the abap memory or else it can perform any kind of modifications.

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Subject: ABAP

0 2110
Q:

What Is the Google Android SDK?

Answer

The Google Android SDK is a toolset that developers need in order to write apps on Android enabled devices. It contains a graphical interface that emulates an Android driven handheld environment, allowing them to test and debug their codes.

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Q:

What is FDM?

Answer

FDM is an analog technique that can be applied when the bandwidth of a link is greater than the combined bandwidths of the signals to be transmitted.

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