import java.util.Scanner; //Importando a função Scanner
 
class GradeBook {
 
	public String courseName; //Nome do curso para esse GradeBook
 
	//Método para configurar o nome do curso
	public void setCourseName(String name){
		courseName = name;//Armazena o nome do curso
	}//Fim do método setCourseName
 
	//Método para recuperar o nome do curso
	public String getCourseName(){
		return courseName;
	}//Fim do método getCourseName
 
	//Exibe uma mensagem de boas-vindas para o usuário GradeBook
 
	public void displayMessage(){
		/*Chama getCourseName para obter o nome do
		 * curso que essa GradeBook representa*/
		System.out.printf("Welcome to the GradeBook for\n%s!\n", getCourseName());
	}
} //Fim da classe GradeBook
 
 
class GradeBookTest {
 
	public static void main (String[] args){
		//Cria Scanner para obter entrada a partir da janela de comando
		Scanner input = new Scanner(System.in);
 
		//Cria um objeto GradeBook e o atribui a myGradeBook
		GradeBook myGradeBook = new GradeBook();
 
		//Exibe o valor inicial de courseName
		System.out.printf("Initial course name is: %s\n\n", myGradeBook.getCourseName());
 
		//Solicita e lê o nome do curso
		System.out.println("Please, enter the course name: ");
		String theName = input.nextLine();//Lê uma linha de texto
		myGradeBook.setCourseName(theName);//Configura o nome do curso
		System.out.println();//Gera saída de uma linha em branco
		/*Exibe mensagem de boas-vindas depois 
		 * de especificar o nome do curso*/
		myGradeBook.displayMessage();
	}//Fim de main
} //Fim da classe GradeBookTest

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