### oefening 1 ###
### activity_main.xml ###
<androidx.constraintlayout.widget...>
<TextView
...
android:id="@+id/textView1"
... />
</androidx.constraintlayout.widget.ConstraintLayout>
### MainActivity.java ###
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
...
String varMessage1 = "Java leer je door oefenen";
TextView myTextView = (TextView)findViewById(R.id.textView1);
myTextView.setText(varMessage1);
...
}
Download hier het bestand.
### oefening 2 ###
### Student.java ###
public class Student {
String studentNaam;
int studentNummer;
public Student(String naamStud, int nummerStud){
this.studentNaam = naamStud;
this.studentNummer = nummerStud;
}
public String getStudentNaam(){
return studentNaam;
}
public int getStudentNummer(){
return studentNummer;
}
}
### MainActivity.java ###
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
...
Student s = new Student("Jean Luc", 23);
// String varMessage1 = "Java leer je door oefenen";
String varMessage1 = s.getStudentNaam();
...
}
Download hier het bestand.
### oefening 3 ###
### MainActivity.xml ###
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
...
Student s = new Student("Jean Luc", 23);
// String varMessage1 = "Java leer je door oefenen";
String varMessage1 = s.getStudentNaam();
...
}
Download hier het bestand.