Write an application that throws and catches an ArithmeticException when you attempt to take the square root of a negative value. Prompt the user for an input value and try the Math.sqrt() method on it. The application either displays the square root or catches the thrown Exception and displays an appropriate message. Save the file as SqrtException.java.
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- In Java when a method throws a checked Exception, what must we always do when calling that method? A. Make sure to declare the method as static. B. Put it inside a try/catch block. C. Set the permission level of the method to private. D. Check our input, and if it will be bad input we must throw an exception before calling the method.Write an application that throws and catches an ArithmeticException when you attempt to take the square root of a negative value. Prompt the user for an input value and try the Math.sqrt() method on it. The application either displays the square root or catches the thrown Exception and displays an appropriate message NB:ALSO SHOW OUTPUTWrite a program that prompts the user to enter a length in feet and then enter a length in inches and outputs the equivalent length in centimeters. If the user enters a negative number or a non-digit number, throw and handle an appropriate exception and prompt the user to enter another set of numbers. Your error message should read A non positive number is entered and allow the user to try again. Format your output with setprecision(2) to ensure the proper number of decimals for testing!
- Write a method that will take in a time in 24 hour format (1430) and return the time in 12 hour format (2:30pm). This method should have appropriate exception handling. If an incorrect time is sent as an argument (something out of bounds or 23(#4k in other words garbage), then your method should throw a TimeFormatException which you define. In no case should your method throw an unhandled exception! Show how to test the method to be sure.Write an application that throws and catches an ArithmeticException when you attempt to take the square root of a negative value. Prompt the user for an input value and try the Math.sqrt() method on it. The application either displays the square root or catches the thrown Exception and displays an appropriate messageWrite a program that converts a time from 24-hour notation to 12-hour notation. To make the solution easier, a requirement is imposed on the input: It must be in xx:xx format, i.e. it must have two digits, a colon, and then another two digits. Define an exception class called TimeException. If the user enters an illegal time, like 10:65, or even gibberish, like 8&*68, your program should throw and handle a TimeException. Test your program with the file "times.txt" as input and store the result in the file "result.txt" File times.txt: 00:00 12:00 12:01 11:59 23:59 24:00 10:65 3:23 1145 8&*68 File result.txt: # 24-hour 12-hour -------------------------------------------- 1 00:00 12:00 AM 2 12:00 12:00 PM 3 12:01 12:01 PM 4 11:59 11:59 AM 5 23:59 11:59 PM 6 24:00 Time Exception 7 10:65…
- Programming Tip 7.2 suggests that you use a try/except biock to handic exceptrons and a separate try/finally block to close a file. What would happen if you combined the two into a single block, as below, and the open function raised an exception? try: outfile = open(filename, "w") Write output.. except IOError: Handle exception. finally outfile.close()Write a program that calls a method that throws an exception of type ArithmeticExcepton at arandom iteration in a for loop. Catch the exception in the method and pass the iteration countwhen the exception occurred to the calling method by using an object of an exception class youdefinein java codeGiven the following code, the output is __. try { Integer number = new Integer("1"); System.out.println("An Integer instance."); } catch (Exception e) { System.out.println("An Exception."); } Group of answer choices A- An Exception. B- 1 C- Error: Exception D- An Integer instance. E- None of the options
- Modify your last GeoPoint program and add exception handling. Wrap the code inside the main “do another?” loop of your last program with a try block. Add three except blocks. The first will catch a TypeError exception and display “Wrong type of input!” The second will catch an exception of your choice and display a message that makes sense. The third will catch a generic Exception along with its object e and display the message “Something went wrong: “, e so that the error message e is displayed. The code will look something like this (yours may vary): doAnother = 'y' while doAnother == 'y': try …your code here… except TypeError : print "Wrong type of input!" except …exception you picked… : print …your custom message… except Exception,e: print "Something went wrong: ", e doAnother = raw_input('Do another (y/n)? ')Programme Leader of ITMB wants to check whether the student number and GSM number entered by the student for the programming contest is valid or not. Write a Java program to read the Student ID and GSM Number of a student. Use a method called ValidityDetails () for checking the validity of details entered. If the Student ID doesn’t start with the characters ST and contains more than 6 letters or if the Mobile Number does not contain exactly 8 digits, throw a user defined exception InvalidDetailsException. If the details entered are valid, display the message ‘”correct details are entered!!!” otherwise display “Entered invalid details!!!!”Write a Java application with comments, that throws and catches an ArithmeticException when you attempt to take the square root of a negative value. Prompt the user for an input value and try the Math.sqrt() method on it. The application either displays the square root or catches the thrown Exception and displays an appropriate message.