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QR codes are a popular way to encode data for easy reading by computerized cameras. True QR codes contain error correction, format specifiers, version information, and a size variable layout that makes them harder to decode and process. For ease we have created our own QR codes called QR2 codes that are simpler to decode and contain more data. QR2 codes contain the same position markers as QR codes, but the intervening data is encoded differently.The new code is useful, but not compatible with QR codes, and so a program is needed to encode/decode the information. Each character of the text within the code is composed of 8 bits in standard ASCII encoding. A filled-in block denotes a 1 bit; a blank block denotes a 0 bit. Blocks are placed so that the most significant bit is first, and the entire message is read in serpentine fashion (up one column, then down the next, etc.), starting at the lower right. For example, in the sample run below, 'M' (01001101b) can be read up the right column, followed by 'y' (01111001b). The structure of the QR2 code is as described in the graphic above. Write a Java program will input a message and generate the appropriate QR2 code pattern. Each filled-in block is denoted by ## (two characters), and each empty block with 2 spaces. Do not worry about error checking. The size of the generated QR2 pattern will depend on the size of message entered.
Write a complete java program Assuming that the variables gpa, deanList and studentName have been declared, you should read in the studentName and gpa from keyboard. Write an if statement that adds 1 to deansList and prints studentName to the standar..
Write down program Average.java to print strings which it is given at command line, one per line. If nothing is given at command line, then print "No arguments".
This assignment contains a java project. Project evaluates the day of the week for New Year's Day.
Write a method called median that accepts an array of integers as its parameter and returns the median of the numbers in the array.
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Write a method called printPowersOf2 that accepts a maximum number as an argument and prints each power of 2 from 20 (1) up to that maximum power, inclusive. For example, consider the following calls: printPowersOf2(3); printPowersOf2(10)
Programming Exercises 1. Write an application named BadSubscriptCaught in which you declare an array of 10 first names. Write a try block in which you prompt the user for an integer and display the name in the requested position.
Write a java applet (not a java application program) for costco gas station. The applet will first ask you whether you are a costco customer, then the grade of gas you want to use.
Implement a class Quiz that implements the Measurable interface.
Develop a graphical user interface based java program that can communicate with a real SMTP email server for sending emails
Write down the java program which will read the line of text which ends with the period, which serves as sentinel value. Show all the letters which occur in the text.
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