EXP 8 PROGRAM FOR DISPLAYING FILE INFORMATION

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  EX NO :8  PROGRAM FOR DISPLAYING FILE INFORMATION  AIM    To write a java program that reads a file name from the user, displays information about whether  the file exists, whether the file is readable, or writable, the type of file and the length of the file in bytes.   PROCEDURE    1. Create a class filedemo. Get the file name from the user .   2. Use the file functions and display the information about the file.   3. getName() displays the name of the file.   4. getPath() diplays the path name of the file.   5. getParent() -This method returns the pathname string of this abstract pathname’s parent, or null  if this pathname does not name a parent directory.   6. exists() – Checks whether the file exists or not.   7. canRead()-This method is basically a check if the file can be read.   8. canWrite()-verifies whether the application can write to the file. ...
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EXP 6 PROGRAM TO CALCULATE AREA USING ABSTRACT CLASS

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EX NO : 6. 

PROGRAM TO CALCULATE AREA USING ABSTRACT CLASS.


AIM.


To write a java program to calculate the area of rectangle, circle and triangle using the concept of  abstract class. 

PROCEDURE 

1. Create an abstract class named shape that contains two integers and an empty method named printarea(). 

2. Provide three classes named rectangle, triangle & circle such that each one of the classes  extends the class Shape. 

3.Each of the inherited class from shape class should provide the implementation for the method  printarea(). 

4.Get the input and calculate the area of rectangle,circle and triangle . 

5. In the shapeclass , create the objects for the three inherited classes and invoke the methods and 

display the area values of the different shapes. 


For Code (Click Here)

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