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 7 PROGRAM TO IMPLEMENT USER DEFINED EXCEPTION HANDLING

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 EX NO : 7 

PROGRAM TO IMPLEMENT USER DEFINED EXCEPTION HANDLING 

AIM 

To write a java program to implement user defined exception handling. 

PROCEDURE 

1.Create a class which extends Exception class. 

2.Create a constructor which receives the string as argument. 

3.Get the Amount as input from the user. 

4.If the amount is negative, the exception will be generated. 

5.Using the exception handling mechanism, the thrown exception is handled by the catch construct. 6.After the exception is handled, the string “invalid amount“ will be displayed. 7.If the amount is greater than 0, the message “Amount Deposited “ will be displayed  

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