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Start your free trialYZ L
6,184 Pointsunenchanced for loop
What am I doing wrong?
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. %d %n",
i + 1,
programmers[i]);
}
/*
int n = 0;
for (String person : programmers) {
n++;
System.out.printf("%d. %d%n",
n,
person);
}
// 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
Isaiah Duncan
3,241 PointsThe issue is that you are trying to insert a string where there should be a number.
for (int i = 0; i < programmers.length; i++) {
System.out.printf("%d. %d %n", //<--- The %d character is a placeholder for decimal integers.
i + 1,
programmers[i]); //<--- this is trying to insert a String.
}
Your printf should look more like:
System.out.printf("%d. %s%n", i + 1, programmers[i]); //<--- notice the %s instead of %d
For more details, check out this link: Formatting with printf() in Java.
YZ L
6,184 PointsYZ L
6,184 Pointsthank you!!!
Isaiah Duncan
3,241 PointsIsaiah Duncan
3,241 PointsYou're welcome. Happy coding! :)