How to create variables dynamically in Java? [closed]

Question

I need to create new variables Strings such that

String person1 = "female";
String person2 = "female";
........
........
String person60 = "male";
........
String person100 = "male";

This is what I tried

for (int i = 1; i <101; i++) {
  if (i<60) {
    String person+i = "female";
  }
  else {
    String person+i = "male";   
  }
}

Can anybody help me correct this code?

Answer 1

A Map allows you to relate any key with any value. In this case, the key is the name of the variable, and the value is the value

Map<String, String> details = new HashMap<>();
for (int i = 1; i <101; i++) {
    if (i<60) {
        details.put("person" + i, "female");
    }
    else {
        details.put("person" + i, "male");
    }
}

Answer 2

You are close. If you store the the gender of each person in an array, you can do it like this:

String[] persons = new String[100]
for (int i = 0; i < persons.length; i++) {
  if (i<60) {
    persons[i] = "female";
  }
  else {
    persons[i] = "male";   
  }
}

Alternately, if a person is more than a gender, consider making a class Person that holds a gender field, and then have an array of Persons. You would set the gender in a similar way.