BigDecimal scale() Method in Java
Last Updated :
04 Dec, 2018
The java.math.BigDecimal.scale() is an inbuilt method in java that returns the scale of this BigDecimal.
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For zero or positive value, the scale is the number of digits to the right of the decimal point.
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For negative value, the unscaled value of the number is multiplied by ten to the power of the negation of the scale.
Syntax:
public int scale()
Parameters: This method does not accepts any parameter.
Return value: This method returns the scale of this BigDecimal object.
Below program illustrates the working of the above mentioned method:
Program 1:
import java.math.*;
public class Gfg {
public static void main(String[] args)
{
BigDecimal b1 = new BigDecimal( "456.0" );
BigDecimal b2 = new BigDecimal( "-1.456" );
int i1 = b1.scale();
int i2 = b2.scale();
System.out.println( "The scale of " + b1 + " is " + i1);
System.out.println( "The scale of " + b2 + " is " + i2);
}
}
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Output:
The scale of 456.0 is 1
The scale of -1.456 is 3
Program 2:
import java.math.*;
public class Gfg {
public static void main(String[] args)
{
BigDecimal b1 = new BigDecimal( "745" );
BigDecimal b2 = new BigDecimal( "-174" );
int i1 = b1.scale();
int i2 = b2.scale();
System.out.println( "The scale of " + b1 + " is " + i1);
System.out.println( "The scale of " + b2 + " is " + i2);
}
}
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Output:
The scale of 745 is 0
The scale of -174 is 0
Reference: https://docs.oracle.com/javase/7/docs/api/java/math/BigDecimal.html#scale()
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