true or false ___ 19 Method double(x) that returns a value can be used in the Java expression 2*double(x) > 2*(6+4). ___ 20 Multiple return statements can be used in a method that returns a value.
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true or false
___ 19 Method double(x) that returns a value can be used in the Java expression 2*double(x) > 2*(6+4).
___ 20 Multiple return statements can be used in a method that returns a value.
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- True or False _ 16 Logical operators are evaluated before the relational operators in a Java expression (without parentheses) ___17 The method public static void double(int x) can be used in the Java expression 2*double(x); ___18 . In Java, if a=4, b=6, then statements a=b; and b=a; will produce the result that a=6 and b=4. ___ 19 Method double(x) that returns a value can be used in the Java expression 2*double(x) > 2*(6+4). ___ 20 Multiple return statements can be used in a method that returns a value.Make sure each program has at least one method in addition to its driver method(main). Or use one driver main method and write method(s) for each of the program. Write a java program that calculate and display the GPA for a student that takes only four (4) classes. The program shall require the user to input their credit hour(s) and Letter grade for each of the classes. You may use an accumulator variable and loops. Weights based off of letter grades: A = 4, B = 3, C = 2, D=1, F = 0 GPA = Accumulator variable of (grade weight*credit hours) /total credit hoursjava Exercise1: Write a program that takes three integer numbers from the console as inputs. For each number, the program should call a static method named isPositive() to determine if a number is positive, negative, or equal to zero. Exercise 3: The following code asks a user to enter her/his age then determines if a user is an adult or not. Trace the code, to find and solve the syntax errors. You need to identify the errors and rewrite the correct code. import java.util.Scanner; public class Ex3 { public static void main(String[] args) { Scanner input = new Scanner(System.in); System.out.println("Enter your age:"); int age = input.nextInt(); double flag = isAdult(double age); if(flag) { System.out.println("You are an adult."); } else { System.out.println("You are not an adult."); } } public boolean isAdult(int…
- Write a value returning method that accepts two integer values as arguments and returns the value that is the greater of the two. For example, if 6 and 10 are passed as arguments to the method, the method should return 10. Your program should firstly prompt the user to enter two integers, and display the value that is the greater of the two. using Java programmingT/F 4. Java methods can return more than one item if they are modified with the reserved word continue, as in public continue int foo() {...}Write a program (use value returning method) that prompts you to enter five scores. The program should display the average score and the corresponding letter grade for the average score. Write the following “solider” methods in the program: calc_average: this method accepts five scores as arguments and returns the average determine_grade: this method accepts an average score as an argument and returns a letter based on the following: 90-100: A 80-89: B 70-79: C 60-69: D.using java programming
- Java Programming – Lesson 4 Using Methods – Laboratory Exercises Create a class whose main() holds two integer variables. Assign values to the variables. Create two methods named sum() and difference, that compute the sum and difference between the two variables respectively. Each method should perform the computation and display the results. In turn, call the two methods passing the values of the 2 variables. Create another method named product. The method should compute the product of the 2 numbers but will not display the answer. Instead, the method should return the answer to the calling main() which displays the answer. Provide your own screen display and class name. Create a class whose main() holds an array containing 10 integers. Create two methods that accepts the array. The first method named lowest returns the lowest from the 10 numbers while the second method named highest returns the highest number from the list. Determine the highest and lowest number without sorting the…Java Programming – Lesson 4 Using Methods – Laboratory Exercises Create a class whose main() holds two integer variables. Assign values to the variables. Create two methods named sum() and difference, that compute the sum and difference between the two variables respectively.Each method should perform the computation and display the results. In turn, call the two methods passing the values of the 2 variables. Create another method named product. The method should compute the product of the 2 numbers but will not display the answer. Instead, the method should return the answer to the calling main() which displays the answer. Provide your own screen display and class name.java Exercise 1:Write a program to do the following using the Math class: Ask a user to enter two integer numbersFinds the square root of each numberFinds the minimumFinds the maximum. Exercise 2:Write a program to calculate area of circle. The main method should pass the radius of the circle to a static method named calculateArea(). The program should display the calculated area inside the main method.
- Java RMI modify “MyClient.java”, “Method.java” and “MethodRemote.java” After your modification, re-compile, and run server and client programs, the client asks the user to enter a string. • If a string “time” is entered, the client will get current date and time from server by remotely invocating the method “action()” in server machine. • If another string other than “time” is entered, then the client will get the capitalized version of the string the user just entered by remotely invocating the method “action()” in server machine. • Your client program should keep asking the user’s input for a string unless an empty string is entered (i.e., just press ENTER key without anything else). When an empty string is entered, this client will quit. while a client is being connected to the server, the server should be able to receive new clients’ connections for current date/time or capitalized strings. In other words, the server should concurrently handle multiple clients’ connections and…JAVA Q1) class room practice-activity (class & object, methods) Create a class with the following details: Class name: BookDetails variables: bookld, bookName, price,netPrice methods: getData (), calculateTax () and showData () getData method allows to read input from the user. calculateTax () should calculate the tax and netprice on the book price. Netprice=price+tax NOTE: Tax is 0.5 rials Create a method showData () to display the values of the variables. Copy the solution code in notepad and upload in the elearning. Note: Add a comment in your code with your id and name.JAVA Q1) class room practice-activity (class & object, methods) Create a class with the following details: Class name: BookDetails variables: bookld, bookName, price,netPrice methods: getData (), calculateTax () and showData () getData method allows to read input from the user. calculateTax () should calculate the tax and netprice on the book price. Netprice=price+tax NOTE: Tax is 0.5 rials Create a method showData () to display the values of the variables. Copy the solution code in notepad and upload in the elearning.