Code HS Questions and Answers Latest Update with Certified Solutions

Code HS Questions and Answers Latest Update with Certified Solutions What is the primary purpose of a function in programming? A function is used to encapsulate a block of code that performs a specific task, which can be reused. How do you define a function in Java? You define a function using the `public static` keywords, followed by the return type, function name, and parentheses. What is the difference between a function parameter and an argument? A parameter is a variable in the function definition, while an argument is the actual value passed to the function when it is called. What does the keyword `void` signify when defining a function in Java? The `void` keyword indicates that the function does not return a value. How can you call a function in Java? 2 You call a function by using its name followed by parentheses, with any required arguments inside. What is a return statement used for in a function? The return statement sends a value back to the calling code, terminating the function. What happens if a function is called with incorrect arguments? If a function is called with incorrect arguments, an error will occur, and the program will not compile. How do you pass multiple arguments to a function? You pass multiple arguments to a function by separating them with commas inside the parentheses. What is the output of the following code? ```java int sum(int a, int b) { return a + b; 3 } Sln(sum(3, 4)); ``` The output will be 7 because the function adds 3 and 4 and prints the result. What is the scope of a variable declared inside a function? The variable is local to the function and can only be accessed within that function. What is a recursive function? A recursive function is a function that calls itself in order to solve a problem. What will happen if a recursive function does not have a base case? If a recursive function lacks a base case, it will result in infinite recursion, which will cause a stack overflow error. What does it mean to overload a function?