IniziaInizia gratis

Declare now, assign later

Sometimes you need to create a variable before you know what value it will hold. Java gives you this flexibility, which is particularly useful when the value depends on logic or calculations that come later in your code. Let's practice this pattern!

Questo esercizio fa parte del corso

Introduction to Java

Visualizza il corso

Istruzioni dell'esercizio

  • Declare a String variable called ingredients without assigning it any value.
  • Assign ingredients the value of "chocolate, eggs, milk, flour, sugar, vanilla".

Esercizio pratico interattivo

Prova a risolvere questo esercizio completando il codice di esempio.

class DeclareThenAssign {
    public static void main(String[] args) {
    
    	// Declare a String variable called ingredients
        ____ ____;
        
        // Assign ingredients value
        ____ = "chocolate, eggs, milk, flour, sugar, vanilla";
        
        System.out.println(ingredients);
    }
}
Modifica ed esegui il codice