In Java, which is the correct syntax for initializing a variable? - int a; - double gpa = 3.54; - char k - boolean isYes = True
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In Java, which is the correct syntax for initializing a variable?
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- In Java, a global variable is declared inside a method and is accessible only in that method. -True -Falseint a = 9; int c = 6; int d = 6; boolean m; if (a==c && c != d) { m = true}; What is the value of m? True False 6 9Question Using Java programming language write a program to manage a hotel with 24 rooms;10 rooms are Executive, with price Gh ₵ 2500.00 per night,7 rooms are Chalets, with amounts Gh ₵ 1500.00 per night7 rooms are Ordinary, with amount Gh ₵ 500.00 per night The program should allow customers to book for rooms for a number of nights, and update the number of empty rooms available for each category when a customer has paid fully and has checked-in; also update the number of empty rooms available when customer checks-out.Customers should make bookings with their first names, telephone number A customer should be prompted to know if a room is booked (meaning a another customer has booked it but has not paid fully, or has not checked-in) A customer should be prompted to know if a room is occupied (meaning a booked room has been fully paid for, or the customer has checked-in) A customer should be prompted to know if a room is available (meaning a room has neither been booked nor…
- In Java Determine if the statement has valid syntax or not. If not, fix the syntax error. int q+y=90; int import=50;• FormulaEvaluator.java Requirements: Evaluate the following expression for any value of the variable x, and save the result in a variable of the type double. You must use the abs(), pow(), and sqrt() methods of the Math class to perform the calculation. You may use a single assignment statement with a somewhat large expression, or you may break the expression into multiple assignment statements. The latter may be easier to debug if you are not getting the correct result. 5x +3} ( √8x* — 6x²³ + 4x² + |20x+1) (9x³+7x² +5x+3) Next, determine the number of digits to the left and to the right of the decimal point in the result. [Hint: You can convert the double variable into a String variable using the static method Double.toString(result). Then, on this String variable use the indexOf() method from the String class to find the position of the decimal point (".") and use the length() method to find the length. Knowing the location of the decimal point and the length of the String, you…2. A password is called STRONG if it holds all of the following properties: (a) It has at least 8 characters (b) It contains at least one lower case letter, and at least one upper case letter (c) It does not contain any blank space Write down a program that will take a password as input to a string and will print a message indicating whether it is STRONG or WEAK. Sample input: Strange Sample output: The password is WEAK solve in C program language
- How do you create a if statement between two objects in a java program? Example: private boolean isSimilar(Triangle t) { // if statement checking if tw triangles are simliar }Indicate whether or not the following is a valid Java statement. Whenever the statement is invalid, briefly explain why. mumber = val-- + 12:When we declare a variable in Java, we : Give the variable a name Specify the type of the variable Optionally give the variable an initial value. All of the above
- In Java, Determine if the statement has valid syntax or not. If not, fix the syntax error. double x^y; double amount%; double Double y=9.5;Java Lab 5 Problem Statement Write a program that quizzes the user on the names of the capital cities for all the states in the United States. Each state is presented to the user, and they must enter the name of the capital. The program then either tells the user they're correct or tells them the correct answer. The user's answer should not be case-sensitive. At the end, the program tells the user the total number they got correct. Here's an example: What is the capital of Alabama? MontogomeryThe correct answer is Montgomery.What is the capital of Alaska? juneauThat is the correct answer!...You got 32 out of 50 correct! The state capitals will be stored in a 2D String array of size 2 x 50, with the first column the name of the state and the second the name of the capital city, for all 50 states. To create the state capitals array, follow these instructions: Copy the String from the attached file into your program (found below these instructions). The String is a pipe delimited…JAVA CODE Write a program that quizzes the user on the names of the capital cities for all the states in the United States. Each state is presented to the user, and they must enter the name of the capital. The program then either tells the user they're correct or tells them the correct answer. The user's answer should not be case-sensitive. At the end, the program tells the user the total number they got correct. Here's an example: What is the capital of Alabama? Montogomery The correct answer is Montgomery. What is the capital of Alaska? juneau That is the correct answer! ... You got 32 out of 50 correct! The state capitals will be stored in a 2D String array of size 2 x 50, with the first column the name of the state and the second the name of the capital city, for all 50 states. To create the state capitals array, follow these instructions: Copy the String from the attached file into your program (found below these instructions). The String is a pipe delimited list of states and…
