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Java Scanner radix() Method
Description
The java Scanner radix() method returns this scanner's default radix.
Declaration
Following is the declaration for java.util.Scanner.radix() method
public int radix()
Parameters
NA
Return Value
This method returns the default radix of this scanner
Exception
NA
Getting Default Radix of a Scanner on String Example
The following example shows the usage of Java Scanner radix() method to get the radix of the scanner object. We've created a scanner object using a given string. Then we printed the string using nextLine() and radix using radix() method. In the end scanner is closed using close() method.
package com.tutorialspoint; import java.util.Scanner; public class ScannerDemo { public static void main(String[] args) { String s = "Hello World! 3 + 3.0 = 6.0 true "; // create a new scanner with the specified String Object Scanner scanner = new Scanner(s); // print a line of the scanner System.out.println(scanner.nextLine()); // print the default radix System.out.println(scanner.radix()); // close the scanner scanner.close(); } }
Output
Let us compile and run the above program, this will produce the following result −
Hello World! 3 + 3.0 = 6.0 true 10
Getting Custom Radix of a Scanner on String Example
The following example shows the usage of Java Scanner radix() method to get the radix of the scanner object. We've created a scanner object using a given string. We've set the radix as 4 using useRadix() method. Then we printed the string using nextLine() and radix using radix() method. In the end scanner is closed using close() method.
package com.tutorialspoint; import java.util.Scanner; public class ScannerDemo { public static void main(String[] args) { String s = "Hello World! 3 + 3.0 = 6.0 true "; // create a new scanner with the specified String Object Scanner scanner = new Scanner(s); // use a new radix scanner.useRadix(4); // print a line of the scanner System.out.println(scanner.nextLine()); // print the default radix System.out.println(scanner.radix()); // close the scanner scanner.close(); } }
Output
Let us compile and run the above program, this will produce the following result −
Hello World! 3 + 3.0 = 6.0 true 4
Getting Default Radix of a Scanner on User Input Example
The following example shows the usage of Java Scanner radix() method to get the radix of the scanner object. We've created a scanner object using System.in class. Then we printed the string using nextLine() and radix using radix() method. In the end scanner is closed using close() method.
package com.tutorialspoint; import java.util.Scanner; public class ScannerDemo { public static void main(String[] args) { // create a new scanner with System input Scanner scanner = new Scanner(System.in); // print a line of the scanner System.out.println(scanner.nextLine()); // print the default radix System.out.println(scanner.radix()); // close the scanner scanner.close(); } }
Output
Let us compile and run the above program, this will produce the following result − (We've entered 3.)
3 10
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