We should run it using java.exe instead of javaw.exe.
because we used Console.
/**
* @author lautturi.com
* Java example: get/hide password on console / replace password with asterisk in java console
*/
import java.util.*;
public class Lautturi {
public static void main(String[] args) {
char[] passwordArray = System.console().readPassword("Please enter the password:");
for (int i = 0; i < passwordArray.length; i++) {
System.out.print("*");
}
System.out.println();
String password = new String(passwordArray);
System.out.println(password);
}
}
execute:
F:\java\hello\bin>"F:\Program Files\Java\jdk-19\bin\java.exe" hello.Lautturi Please enter the password: lautturi