Create a postfix-to-infix translator with layers. The application should receive a postfix expression and output the corresponding infix expression until the user leaves. Throw an exception if the postfix phrase provided is illegal.
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Create a postfix-to-infix translator with layers. The application should receive a postfix expression and output the corresponding infix expression until the user leaves. Throw an exception if the postfix phrase provided is illegal.
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- Invalid indexes in slicing expressions can produce an ‘out of bound’ exception.True or Flase//Beginning of block that handles an input mismatch called e. input.nextLine () ; //Clear buffer. //Print "Invalid entry, try again!" //Set cont so loop re-enters when there's an exception. }//END block }while ( ); //Insert what is tested. }//END setDouble (): void 5. //Code Java statement that releases outputFile to avoid resource-leaks. 6. Which line of code throws the exception for the double? Enter a letter for the answer: A. while (!input.hasNextInt ()) fileName = input.nextLine () ; aDouble = input.nextDouble () : B. с.JAVA PPROGRAM Write a program that prompts the user to enter a file name, then opens the file in text mode and reads names. The file contains one name on each line. The program then compares each name with the name that is at the end of the file in a symmetrical position. For example if the file contains 10 names, the name #1 is compared with name #10, name #2 is compared with name #9, and so on. If you find matches you should print the name and the line numbers where the match was found. While entering the file name, the program should allow the user to type quit to exit the program. If the file with a given name does not exist, then display a message and allow the user to re-enter the file name. The file may contain up to 100 names. You can use an array or ArrayList object of your choosing, however you can only have one array or ArrayList. Input validation: a) If the file does not exist, then you should display a message "File 'somefile.txt' is not found." and allow the…
- There is no limit on how many arguments may be used in a catch block.in pytrhon programming language, What happens when an unhandled exception occurs? The finally clause executes, and the code finishes. The finally clause executes, and the code returns -1. The finally clause executes, and then the exception is re-raised. The finally clause executes, and then runs the try block again.In Java C++Write a code assessing a txt file consisting of id numbers. It should asses the given id numbers if its valid. An ID number can be considered valid given below. The following numbers are (imagine that the numbers are in a txt file)12034562120238471204562312067282120371891293042812047281129374911283920112013818It must be divisible by 11 given the formula below.The output will be the number of valid and invalid numbers. 11191031 = 1*8 + 1*7 + 1*6 + 9*5 + 1*4 + 0*3 + 3*2 + 1*1 = 77sum of the products must be divisible by 11 for it to be valid.
- //18. refreshPosts//a. Dependencies: removeButtonListeners, deleteChildElements, displayPosts,//addButtonListeners//b. Is an async function//c. Receives posts JSON data as a parameter//d. Call removeButtonListeners//e. Result of removeButtonListeners is the buttons returned from this function//f. Call deleteChildElements with the main element passed in as the parameter//g. Result of deleteChildElements is the return of the main element//h. Passes posts JSON data to displayPosts and awaits completion//i. Result of displayPosts is a document fragment//j. Call addButtonListeners//k. Result of addButtonListeners is the buttons returned from this function//l. Return an array of the results from the functions called: [removeButtons, main,//fragment, addButtons] Still fails help please const refreshPosts = async (posts) => { if (!posts){ return undefined; } let buttons = removeButtonListeners(); let myMain = deleteChildElements(document.querySelector("main")); let…No restriction exists on the number of arguments permitted in a catch block.Rules: Corner cases. Throw the specified exception for the following corner cases: Throw an IllegalArgumentException if the client calls either addFirst() or addLast() with a null argument. Throw a java.util.NoSuchElementException if the client calls either removeFirst() or removeLast when the deque is empty. Throw a java.util.NoSuchElementException if the client calls the next() method in the iterator when there are no more items to return. Unit testing. Your main() method must call directly every public constructor and method to help verify that they work as prescribed (e.g., by printing results to standard output). Performance requirements. Your implementation must achieve the following worst-case performance requirements: A deque containing n items must use at most 48n + 192 bytes of memory, not including the memory for the items themselves. Each deque operation (including construction) must take constant time. Each iterator operation (including construction) must take…
- If an object cannot be found, it is generally better to throw an exception than return null. True FalseOctave assignment 1-Introduction to Octave Introduction This assignment is meant to be a gentle introduction to Octave, the free version of Matlab. It assumes that you have no prior coding experience. Objectives Download Octave and run it or use https://octave-online.net/ Learn the basics of the Octave GUI. • Learn how to create a short executable file called an m-file (.m extension) and run it. • Learn what a data type is. • Learn how to declare variables of different data types. • Learn how to create matrices. • Learn how to use several of Octave’s functions for creating objects with random numbers. Instructions 1.) Create a file call it with the form exercise_1_first name_last name. Include the underscores in your file name. At the top of the file add the comment "“My first Octave assignment. I'm so excited, I just can't hide it." 2.) Create the following variables a = 2.3; b = -87.3; A = [1,2; 4,5]; Create a matrix 2 × 2 B using the rand() function. Create two random complex….Write code for below problem. The input below is just an example and you should implement independent from the input. Please paste the link to the answer shared using pastebin, dotnetfiddle, jsfiddle, or any other similar web-site. You will have an orthogonal triangle input from a file and you need to find the maximum sum of the numbers according to given rules below; 1. You will start from the top and move downwards to an adjacent number as in below. 2. You are only allowed to walk downwards and diagonally. 3. You can only walk over NON PRIME NUMBERS. 4. You have to reach at the end of the pyramid as much as possible. 5. You have to treat your input as pyramid. According to above rules the maximum sum of the numbers from top to bottom in below example is 24. *1 *8 4 2 *69 85*9 3 As you can see this has several paths that fits the rule of NOT PRIME NUMBERS; 1>8>6>9, 1>4>6>9, 1>4>9>9 1 + 8 + 6 + 9 = 24. As you see 1, 8, 6, 9 are all NOT PRIME NUMBERS and walking over these yields the…