Java Conditional Statements Quiz: Test Your `if`, `else if`, `else` Knowledge

📚 Quick Study Guide

• 🔑 The `if` statement executes a block of code if a specified condition is true.
• ✨ The `else` statement executes a block of code if the condition in the `if` statement is false.
• 🚦 The `else if` statement allows you to check multiple conditions in sequence. It's placed between the `if` and `else` statements.
• ✍️ Syntax: `if (condition) { // code to execute if true } else if (condition) { // code to execute if true } else { // code to execute if false }`
• 💡 You can have multiple `else if` blocks, but only one `if` and one `else` block.
• 🧮 Conditions are boolean expressions that evaluate to either `true` or `false`.
• 🚀 Nesting: `if` statements can be nested inside other `if` or `else` blocks for more complex logic.

🤔 Practice Quiz

1. Which keyword is used to specify a block of code to be executed if a condition is false?
   1. `if`
   2. `then`
   3. `else`
   4. `elseif`
2. What is the purpose of the `else if` statement?
   1. To terminate the program
   2. To check multiple conditions in sequence
   3. To define a constant value
   4. To declare a new variable
3. What will be the output of the following code?

   int x = 5;
   if (x > 10) {
     System.out.println("x is greater than 10");
   } else {
     System.out.println("x is not greater than 10");
   }

   1. `x is greater than 10`
   2. `x is not greater than 10`
   3. No output
   4. Error
4. Which of the following is the correct syntax for an `if` statement?
   1. `if condition then`
   2. `if (condition) {}`
   3. `if condition {} else {}`
   4. `if: condition`
5. What happens if the condition in an `if` statement is always true?
   1. The `else` block is executed
   2. The code enters an infinite loop
   3. The `if` block is executed repeatedly
   4. The `if` block is executed once
6. How many `else` blocks can you have in an `if-else if-else` construct?
   1. Multiple
   2. Zero
   3. One
   4. Two
7. What will be the output of the following code?

   int age = 15;
   if (age >= 18) {
     System.out.println("Eligible to vote");
   } else if (age >= 16) {
     System.out.println("Can get a learner's permit");
   } else {
     System.out.println("Too young");
   }

   1. `Eligible to vote`
   2. `Can get a learner's permit`
   3. `Too young`
   4. No output