Which of these cannot be used for a variable name in Java? a) identifier & keyword b) identifier c) keyword d) none of the mentioned
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- Enter the name of Stock: Oracle Corporation Enter the symbol of Stock: URCL Enter the previous closing price: 34.5 Enter the current price: 34.35 Stock name: Oracle Corporation Stock symbol: ORCL Stock ID: 59 Price-change percentage: - 0.434782608695648 Challenge Question - Using GregorianCalendar and Date classes: (Use the GregorianCalendar class) Java API has the Date class and GregorianCalendar class in the java.util package, which you can use to obtain the current date with specific details like current year, current month, current day of a date and so on. Write a program to perform these tasks: 1. Display the current year, month, and day. 2. Display the current date by using the to String() method from the Date class. 3. Display the current time-which is used to display the number of milliseconds- by using getTime() method from the Date class. We will use it in the step 17. 4. - Display the current year by using get(GregorianCalendar.YEAR) method from to GregorianCale class. 5-…Enter the name of Stock: Oracle Corporation Enter the symbol of Stock: URCL Enter the previous closing price: 34.5 Enter the current price: 34.35 Stock name: Oracle Corporation Stock symbol: ORCL Stock ID: 59 Price-change percentage: - 0.434782608695648 Challenge Question - Using GregorianCalendar and Date classes: (Use the GregorianCalendar class) Java API has the Date class and GregorianCalendar class in the java.util package, which you can use to obtain the current date with specific details like current year, current month, current day of a date and so on. Write a program to perform these tasks: 1. Display the current year, month, and day. 2. Display the current date by using the to String() method from the Date class. 3. Display the current time-which is used to display the number of milliseconds- by using getTime() method from the Date class. We will use it in the step 17. 4. - Display the current year by using get(GregorianCalendar.YEAR) method from to GregorianCale class. 5-…User Defined Function: Void Function Create a JAVA program that will add, subtract, multiply and divide two numbers. Use user defined function for each operator Any number divided by zero will result to undefined Use int or double data type only for all variables declaredEXPECTED OUTPUT:
- PYTHON CODE WRITE SHORT DESCRIPTION OF DESIGN OF THE CODE Papa John, the owner of Papa Johns Pizzeria, needs help in keeping track of the number and types of pizzas he has cooked on a given day and to produce statistics regarding the choices her customers made. Your task is to write a Python application which will contain the following methods.. a main driver, that will: Display a welcome message Prompt Papa John for the maximum number of pizzas he can prepare on that day and create an empty list called todaysPizzasthat will have the potential of keeping track of that many DeluxePizza Display a main menu (fig 1) attached in images with the following choices. If Papa John enters an invalid choice keep prompting him until he enters a valid choice. When option 1 of the main menu is selected: Prompt user for the password. (Make sure you have a constant variable containing the password “deluxepizza” - don’t use any other password. John has 3 tries to enter the correct password. You…4) A variable whose meaning is confined to an object of a class is called: instance variable local variable global variable none of the above Answer: 5) A variable whose meaning is confined to a method definition is called an/a instance variable local variable global variable none of the above Answer: Answer these mcq's 6) In Java, a block is delimited by: ( ) /* */ “ “ { } Answer:Constant Assignment • The compiler will issue an error if you try to change the value of a constant • In Java, we use the final modifier to declare a constant final int x= 69; Add x= x+10 What is the result?
- Welcome Assignment ### welcome_assignment_answers ### Input - All eight questions given in the assignment. ### Output - The right answer for the specific question. def welcome_assignment_answers(question): # The student doesn't have to follow the skeleton for this assignment. # Another way to implement it is using "case" statements similar to C. if question == "Are encoding and encryption the same? - Yes/No": answer = "The student should type the answer here" elif question == "Is it possible to decrypt a message without a key? - Yes/No": answer = "The student should type the answer here" return (answer) # Complete all the questions. if __name__ == "__main__": # use this space to debug and verify that the program works debug_question = "Are encoding and encryption the same? - Yes/No" print(welcome_assignment_answers(debug_question)) As you can see, the first two questions are already in the skeleton code. Please follow the first two questions…T/F A METHOD DEFINED WITHOUT A RETURN STATEMENT WILL CAUSE A COMPILE ERROR.Question 2: Ben number (In Java)Ben had difficulty coming out with an assignment question, then he created an odd number called Ben number, which is the sum of a Ben series. Let x be the starting number and y be the bout number, in the Ben series, the x should double the value when it is an even number. In contrast, the number should be subtracted by 1 when x is an odd number. Both x and y should be greater than 0.Example of a Ben series, Assume the x = 3, and y = 5, then the series should be [3, 2, 4, 8,16]. Then the Ben number should be 33 because of 3+2+4+18+16.Thus, given the method benNumber(m,n), for all m, n > 0benNumber(2,5) should return 62 because 2+4+8+16+32 = 62benNumber(3,8) should return 257 because 3+2+4+8+16+32+64+128 = 257benNumber(1,1) should return 1Note that you can only use recursion to solve Q1 and Q2, and you cannot use any loop. You are free to add helper methods, but you are not allowed to change the method header.
- Question 9 What best describes each of the following variable names? • valid, follows convention: the variable name is allowed by the compiler and also follows appropriate naming conventions for Java variables • valid, does not follow convention: the variable name is valid- it is allowed by the compiler- but it does not follow naming conventions for Java variables • not valid: the variable name is not allowed by the compiler Note that this question asks about Java variables (not constants or classes). You can review naming conventions in the Java Coding Conventions lecture video. total-value total_value totalValue totalvalue Value TotalValue tv TOTAL_VALUE [Choose] [Choose ] valid, follows convention [Choose] valid, does NOT follow conve valid, does NOT follow conve [Choose] [Choose ]In Java, the assignment operator is ______ and the relational operator to determine if two primitive data types are equal is _____8- Create an instance of the following class and call its methods. class Exam{ int grade; public: void seta (int b) (grade=b; } int geta () {return grade; } 9- When the word const is put before the variable definition, what does that mean? 10- How to concatenate two strings in C++ language? C++
