public class Main
public static void main(String args)
double num = 4.644567;
Java Round Double to 2 Decimals to Convert Decimal Number
A decimal number is a number in algebra that has a decimal point separating the whole number and fractional parts. A decimal point is the dot at the end of a decimal number. When rounding a decimal number, there are some guidelines to follow. Java Round Double to 2 Decimals to convert the float to decimal in java programming.
Simply put, if the last digit is less than 5, the previous digit is rounded down. If it’s 5 or more, however, you should round up the previous digit. So, if you’re about to round a number and it’s followed by 5, 6, 7, 8, 9, round it up.
What is .f in Java Program to Round the Decimal Number
We should append the letter f to the end of a float data type when representing it in Java; otherwise, it will save as a double. In Java, the default value for a float is 0.0f. When you want to save memory and your calculations don’t require more than 6 or 7 digits of precision, you should use the float data type.