Main.java

public static boolean isNameHasUpperCase(String name) {
    boolean result = false;
    for(int i = 0; i < name.length(); i++) {
        if (Character.isUpperCase(name.charAt(i))) {
            result = true;
            break;
        }
    }
    return result;
}

Main.scala

def isNameHasUpperCase(name: String): Boolean =
  name.exists(_.isUpperCase)

Scala.md

val name: String = "Junichi Kato"
val name = "Junichi Kato" // 型推論を使った記述

case class Person(name: String)

object PersonDao {
  def getById(id: Long): Option[Person] = {
    // select * from person
  }
}

val personOpt = PersonDao.getById(123)
personOpt.foreach{ person =>
  println(person)
}