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II Statements, if Else, Else Coding Tutorial For Java, C, and C++1 MULTIPLE-CHOICE QUESTION float money \( =3.50 ; \) boolean instock = falsej boolean buyDrink; if ( money \( >=4.95 \) || jnstock \( == \) true ) \( \{ \) buyDrink = true; "Only one condition needs to be true to execute the code." that sound like disjunction that sound like conjunction Rewatch Submit \}

Ask by Wang Mccarthy. in the United States
Jan 24,2025

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Only one condition needs to be true to execute the code, which is a disjunction.

Solución

The condition in your `if` statement uses the logical **OR** operator (`||`), which means that **only one of the conditions needs to be true** for the code inside the `if` block to execute. This is known as a **disjunction**. **Correct Answer:** "that sound like disjunction" ### Explanation: - **Disjunction (`||`):** The `||` operator returns `true` if at least one of the operands is `true`. In your case, `buyDrink` will be set to `true` if either `money >= 4.95` **or** `instock == true`. - **Conjunction (`&&`):** This operator requires **both** conditions to be `true` for the entire expression to be `true`. Since your `if` statement only requires one of the conditions to be `true`, it utilizes a **disjunction**. ### Example: ```java float money = 3.50f; boolean instock = false; boolean buyDrink; if (money >= 4.95 || instock == true) { buyDrink = true; } else { buyDrink = false; } System.out.println("Buy Drink: " + buyDrink); // Output: Buy Drink: false ``` In this example: - `money` is 3.50, which is not greater than or equal to 4.95. - `instock` is `false`. Since **neither** condition is `true`, `buyDrink` will be set to `false`. However, if either `money` were increased to 5.00 **or** `instock` were set to `true`, then `buyDrink` would be `true`. --- Feel free to ask if you need further clarification!

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The Deep Dive

The given code snippet is an example of conditional statements in programming. In programming, when using the logical OR operator (||), the code inside the if block executes if at least one of the conditions is true. In your code, it's checking if the variable `money` is greater than or equal to 4.95 or if `instock` is true. If either is true, `buyDrink` is set to true, demonstrating the concept of disjunction. This type of conditional logic is fundamental across various programming languages like Java, C, and C++. It allows for more flexible decision-making in your code. Remember to keep an eye on syntax specifics unique to each language, like the `boolean` declaration in Java or the semicolon in C. Masters of coding know that even a tiny syntax error can produce surprising outcomes!

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