DecimalFormat setDecimalSeparatorAlwaysShown() method in Java

The setDecimalSeparatorAlwaysShown() method is a built-in method of the java.text.DecimalFomrat class in Java and is used to set whether the decimal symbol separator will be set for this DecimalFormat instance or not. If this method is set true, then for integral values also the DecimalFormat instance will print the decimal separator (.).

For Example, if this method is true then 1234 will be printed as “1234.“.

Syntax:

public void setDecimalSeparatorAlwaysShown(boolean val)

Parameters: The function accepts a single parameter val which is of boolean type.

Return Value: The function does not returns any value.

Below is the implementation of the above function:

Program 1:

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// Java program to illustrate the
// setDecimalSeparatorAlwaysShown() method
  
import java.text.DecimalFormat;
import java.text.DecimalFormatSymbols;
import java.util.Currency;
import java.util.Locale;
  
public class Main {
    public static void main(String[] args)
    {
  
        // Create the DecimalFormat Instance
        DecimalFormat deciFormat = new DecimalFormat();
  
        deciFormat.setDecimalSeparatorAlwaysShown(true);
  
        System.out.println(deciFormat.format(12345));
    }
}

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Output:

12, 345.

Program 2:

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// Java program to illustrate the
// setDecimalSeparatorAlwaysShown() method
  
import java.text.DecimalFormat;
import java.text.DecimalFormatSymbols;
import java.util.Currency;
import java.util.Locale;
  
public class Main {
    public static void main(String[] args)
    {
  
        // Create the DecimalFormat Instance
        DecimalFormat deciFormat = new DecimalFormat();
  
        deciFormat.setDecimalSeparatorAlwaysShown(false);
  
        System.out.println(deciFormat.format(12345));
    }
}

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Output:

12, 345

Reference: https://docs.oracle.com/javase/7/docs/api/java/text/DecimalFormat.html#setDecimalSeparatorAlwaysShown(boolean)



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