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Q:

What is MultiThreading?

Answer

Executing two or more blocks (threads) of a program at a time is called MultiThreading.

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Subject: Java

Q:

What is MultiTasking?

Answer

Executing more than one program simultaniously.(i.e at time)


Ex:


Windows media player  is a program


Internet explorer(IE) is another program executing both the programs  at a time is called multi tasking.

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Subject: Java

Q:

What is Thread?

Answer

A Thread is a block of code that can be executed in parallel with another block of code.

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Subject: Java

Q:

How to get contents of the folder?

Answer

File[] listFiles();


this method returns list of files stored in a directory.

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Subject: Java

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

Q:

How to check that whether the file object is pointing a folder or not?

Answer

boolean isDirectory();

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Subject: Java

Q:

How to check that the file object is pointing a file on HD?

Answer

boolean isFile();

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Subject: Java

Q:

How to create Directory on the HD?

Answer

To create directory on the HD we use mkDir() method:


boolean mkDir();


This method returns true if the directory is created on HD


This method returns false if the directory is already existing on HD

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Subject: Java