Convert Roman Numeral Into Decimal - News
It indicates that these numbers were taken from a language that was written from left to right, and now it is accepted that the decimal system was invented by Indians, who could conceive very high numbers unlike the Romans. For example, it is believed
Furthermore many Jews became slaves of the Romans and were scattered all over the world. The Jewish nation ceased for 1800 years. Secondly, Jesus came to comfort and to cure afflicted people. He wanted to help people, which suffered from the
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Java Beginner Needs Help Debugging Roman Numeral Converting ...
Static int roman2Decimal(String number) { int[] numbers = { 1000, 900, 500, 400, 100, 90, 50, 40, 10, 9, 5, 4, 1 }; //it's much easier to program in the values for IV, IX, etc String[] letters = { "M", "CM", "D", "CD", "C", "XC", "L", "XL", "X", "IX", "V", "IV", "I" }; //than to use a bunch of 'if's and things to check if a // letter with a lower value is in front of one with a higher one. final int num; System.out.println("Please enter a roman numeral using the letters M, D, C, L, X, V, I. All letters will be treated as capitalized."); System.out.println("Please do not enter a roman numeral with a value greater than 3999."); //3999 is the highest value since we're only Scanner roman = new Scanner(System.in); //using the roman numerals up to M, and you can't have 4 in a row. roman = roman.toUpperCase(); roman = roman.trim(); if (roman.length()=0) { System.out.println("Please enter an actual number using the above mentioned roman numerals, not just empty spaces."); roman = input.nextString(); } int i = 0; //this will be our position in the string of the roman numerals. int decimal = 0; //this is the decimal value of the roman numerals converted up until this point. while (i<roman.length()) { char letter = roman.CharAt(i); //the letter at the position i in the string roman int number = letterToNumber(letter); //The number that the letters represent - will be found later in the program. if (number<0) { System.out.println("Illegal character " + letter + " in the string you entered. Please try again using ONLY M, D, C, L, X, V, and I."); roman = input.