How do you round a number to two decimal places in Java?

How do you round a number to two decimal places in Java?

Formatting a Decimal Number DecimalFormat df = new DecimalFormat(“###. ###”); System. out. println(df.

How do you round to 2 decimal places in SQL?

Select Convert(Numeric(38, 2), Minutes/60.0) from …. MySQL: Select Convert(Minutes/60.0, Decimal(65, 2)) from …. The Cast function is a wrapper for the Convert function.

How do you show only 2 decimal places in Java?

Approach 1: Using Mathematically : Shift the decimal of the given value to the given decimal point by multiplying 10^n. Take the floor of the number and divide the number by 10^n. The final value is the truncated value.

How do I truncate to two decimal places in SQL?

The following shows the syntax of the TRUNCATE() function:

1. TRUNCATE(n, d)
2. ROUND(n,d, f)
3. SELECT TRUNCATE(123.4567,2);
4. SELECT TRUNCATE(123.4567,-2);

How do you convert to 2 decimal places in Java?

1 Answer

1. double roundOff = Math.round(a * 100.0) / 100.0; Output is.
2. 123.14. Or.
3. double roundOff = (double) Math. round(a * 100) / 100; this will do it for you as well.

How do you round a double to two decimal places in Java?

Round a Double to Two Decimal Places in Java

1. Round of a double to Two Decimal Places Using Math.round(double*100.0)/100.0.
2. Round of a double to Two Decimal Places Using BigDecimal.
3. Round of a double to Two Decimal Places Using DecimalFormat.
4. Round of a double to Two Decimal Places Using Apache Common Math.

How to round up a double in Java?

There are four ways to round up a double value to two decimal places such as Math.round (), BigDecimal using the setScale () method, DecimalFormat and Apache Common library. Let us discuss each way through examples. The Math.round () method is used in Java to round a given number to its nearest integer.

Is there way to round to 2 decimal places?

The short answer is: use Python round () to change to 2 decimal places. The two decimal places are the two digits after the decimal point in a float variable. You can also round float to 3 decimal places after the decimal point.

How to round down in Java?

We can use the floor method of Java Math class to round down a number. 1 public static double floor(double d) This method returns the largest double number which is equal to or less than the argument and is equal to an integer.

How do you round doubles in Java?

The java.lang.Math.round(double a) returns the closest long to the argument. The result is rounded to an integer by adding 1/2, taking the floor of the result, and casting the result to type long.