Java Scanner hasNextBigDecimal() Method

The hasNextBigDecimal() is a method of Java Scanner class which is used to check if the next token in this scanner's input can be interpreted as a BigDecimal using the nextBigDecimal() method or not. It returns true if the scanner's input can be interpreted as a BigDecimal, otherwise returns false.

Syntax

Following is the declaration of hasNextBigDecimal() method:

Parameter

This method does not accept any parameter.

Returns

The hasNextBigDecimal() method returns true if and only if this scanner's next token is a valid BigDecimal.

Exceptions

IllegalStateException

Compatibility Version

Java 1.5 and above

Example 1

import java.util.*;
public class ScannerHasNextBigDecimalExample1 {  
    public static void main(String args[]){   	
    	  String str1 = "JavaTpoint.com";  	
        Scanner scanner = new Scanner(str1); 
        System.out.println("Result: "+scanner.hasNextBigDecimal());
        System.out.println("String: "+scanner.next());         
        scanner.close();
	  }  
}

Output:

Result: false
String: JavaTpoint.com

Example 2

import java.util.*;
public class ScannerHasNextBigDecimalExample2 {  
    public static void main(String args[]){   	
    	  String str1 = "4564.00";  	
        Scanner scanner = new Scanner(str1); 
        System.out.println("Result: "+scanner.hasNextBigDecimal());
        System.out.println("String Value: "+scanner.next());         
        scanner.close();
	  }  
}

Output:

Result: true
String Value: 4564.00

Example 3

import java.util.Scanner;  
public class ScannerhasNextBigDecimalExample3 {  
     public static void main(String args[]){ 
    	   String s = "Hello JavaTpoint! 13 + 13.0 = 26";
         Scanner scanner = new Scanner(s);
         while (scanner.hasNext()) {           
            //Check if the scanner's next token is a BigDecimal
            System.out.println("" + scanner.hasNextBigDecimal());
            System.out.println("" + scanner.next());
         }
         scanner.close();
     }  
} 

Output:

false
Hello
false
JavaTpoint!
true
13
false
+
true
13.0
false
=
true
26

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