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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!

Este exercício faz parte do curso

Introduction to Java

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Instruções do exercício

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

Exercício interativo prático

Experimente este exercício completando este código de exemplo.

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);
    }
}
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