class Mobil4{
String warna;
Mobil4(String wrn) { // constructor
warna=wrn;
}
Mobil4() {} // constructor
void jalan_maju() {
System.out.print("Mobil warna"+ warna);
System.out.println(" Maju !");
}
public static void main(String[]args){
Mobil4 mini= new Mobil4();
mini.jalan_maju();
Mobil4 sedan=new Mobil4("merah");
sedan.jalan_maju();
}
}
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