![]() Suppose, we have to convert the roman numeral MCMXC to an integer. C can be placed before D (500) and M to make 400 and 900.X can be placed before L (50) and C to make 40 and 90.I can be placed before V (5) and X to make 4 and 9.There are six instances where we required subtraction: The same principle applies to the number 9, which is written as IX. It means that when there is a smaller number placed before a larger number, the values are subtracted because the 1 is placed before the 5, we can subtract it to get 4. However, the roman numeral for the integer 4 is not IIII instead, it is written as IV. These are usually written in largest to smallest fashion, and from left to right. Roman numerals are formed by joining the symbols and adding their respective values. The following table represents the roman numerals and corresponding decimal values. There are seven letters used to represent roman numerals. These are usually used in watch faces, music theory, etc. Roman numerals are the symbolic representation of numbers. Also, we will create Java programs for the same. So, in this section, we are going to discuss how to convert roman numerals to integers in Java with different approaches and logic. By solving the problem, one wants to check the logical ability, critical thinking, and problem-solving skill of the interviewee. ![]() It is a problem frequently asked in interviews of top IT companies like Google, Amazon, TCS, Accenture, etc. ![]() Next → ← prev Convert Roman to Integer in Java
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