Java user

JavaUser.java

public class JavaUser {
    private final String name;
    private final int age;

    public String toHumanReadableFormat() {
        return "JavaUser{" +
                "name='" + name + '\'' +
                ", age=" + age +
                '}';
    }

    public String toHumanReadableFormatWithStringFormat() {
        return String.format("JavaUser{name='%s', age=%s}", name, age);
    }
}