Java Scanner nextBigDecimal() Method

The nextBigDecimal() is a method of Java Scanner class which scan the next token of the input as a BigDecimal.

Syntax

Following is the declaration of nextBigDecimal() method:

Parameter

This method does not accept any parameter.

Returns

The nextBigDecimal() method returns the BigDecimal scanned from the input.

Exceptions

IllegalStateException- This method throws exception if the innvocation is done after the scanner has been closed.

InputMismatchException- It will thrown exception if the next token does not match the Decimal regular expression or is out of range

Compatibility Version

Java 1.5 and above

Example 1

import java.math.BigDecimal;
import java.util.*;  
public class ScannerNextBigDecimalExample1 {  
     public static void main(String args[]){
    	 System.out.println("Enter the two decimal inputs- ");
    	 Scanner scan = new Scanner(System.in); 
    	 BigDecimal bg1 = scan.nextBigDecimal();
    	 BigDecimal bg2 = scan.nextBigDecimal();
    	 System.out.println("Result is: " + bg1.add(bg2));
    	 scan.close();
     }  
} 

Output:

Enter the two decimal inputs-
123456789
987654321
Result is: 1111111110

Example 2

import java.util.*;
public class ScannerNextBigDecimalExample2 {  
    public static void main(String args[]){   	
    	  String str1 = "JavaTpoint.com";  	
        Scanner scanner = new Scanner(str1); 
        System.out.println("Result: "+scanner.nextBigDecimal());
        System.out.println("String Value: "+scanner.next());         
        scanner.close();
	  }  
}

Output:

Exception in thread "main" java.util.InputMismatchException
	at java.base/java.util.Scanner.throwFor(Scanner.java:939)
	at java.base/java.util.Scanner.next(Scanner.java:1594)
	at java.base/java.util.Scanner.nextBigDecimal(Scanner.java:2742)
	at myPackage.ScannerNextBigDecimalExample2.main(ScannerNextBigDecimalExample2.java:7)

Example 3

import java.util.*;
public class ScannerNextBigDecimalExample3 {  
    public static void main(String args[]){   	
    	   String str = "Google.com 111 + 11111 = 11222.0  true";
         Scanner scanner = new Scanner(str);
         while (scanner.hasNext()) {
            //If the next is BigDecimal, print found and the decimal
            if (scanner.hasNextBigDecimal()) {
               System.out.println("Found :" + scanner.nextBigDecimal());
            }
            //If a BigDecimal is not found, print "Not Found" and the token
            System.out.println("Not Found :" + scanner.next());
         }
         scanner.close();
	   }  
}

Output:

Not Found :Google.com
Found :111
Not Found :+
Found :11111
Not Found :=
Found :11222.0
Not Found :true

Next TopicJava Scanner Class

← prev next →

Help Others, Please Share

Javatpoint Services

JavaTpoint offers too many high quality services. Mail us on [email protected], to get more information about given services.

Website Designing
Website Development
Java Development
PHP Development
WordPress
Graphic Designing
Logo
Digital Marketing
On Page and Off Page SEO
PPC
Content Development
Corporate Training
Classroom and Online Training
Data Entry

Training For College Campus

JavaTpoint offers college campus training on Core Java, Advance Java, .Net, Android, Hadoop, PHP, Web Technology and Python. Please mail your requirement at [email protected].
Duration: 1 week to 2 week

^{Like/Subscribe us for latest updates or newsletter}