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Java Java Arrays Iteration Looping Like These Programmers

Cristian Luca
Cristian Luca
4,102 Points

java.util.UnknownFormatConversionException: Conversion = '.' (Look around Formatter.java line 2579)

public class Programmers {

public void printMenu() { String[] programmers = { "Yukihiro Matsumoto", "David Nolen", "Grace Hopper", "Linus Torvalds", "You" };

System.out.println("Choose a programmer:");
for (int i = 0; i < programmers.length; i++) {
  System.out.printf("d%. %s%n", i+1, programmers[i]);
}
// TODO: Print out a menu by looping through the programmers array.
/*
  The menu should be in the form of (each on a line of its own, starting with 1):
  1. Yukihiro Matsumoto
  2. David Nolen
  ...
*/

}

}

Programmers.java
public class Programmers {

  public void printMenu() {
    String[] programmers = {
            "Yukihiro Matsumoto",
            "David Nolen",
            "Grace Hopper",
            "Linus Torvalds",
            "You"
    };

    System.out.println("Choose a programmer:");
    for (int i = 0; i < programmers.length; i++) {
      System.out.printf("d%. %s%n", i+1, programmers[i]);
    }
    // TODO: Print out a menu by looping through the programmers array.
    /*
      The menu should be in the form of (each on a line of its own, starting with 1):
      1. Yukihiro Matsumoto
      2. David Nolen
      ...
    */


  }

}

1 Answer

Steven Parker
Steven Parker
231,184 Points

It's just a typo in the conversion token. You have "d%" instead of "%d".