In Java, which data type stores the following text: "You are amazing."?
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In Java, which data type stores the following text: "You are amazing."?
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- In a Java Language codes Last month Joe purchased some stock in Acme Software, Inc. Here are the details of the purchase: The number of shares that Joe purchased was 1,000. When Joe purchased the stock, he paid $32.87 per share. Joe paid his stockbroker a commission that amounted to 2% of the amount he paid for the stock. Two weeks later Joe sold the stock. Here are the details of the sale: The number of shares that Joe sold was 1,000. He sold the stock for $33.92 per share. He paid his stockbroker another commission that amounted to 2% of the amount he received for the stock. Write a program that displays the following information: The amount of money Joe paid for the stock. The amount of commission Joe paid his broker when he bought the stock. The amount that Joe sold the stock for. The amount of commission Joe paid his broker when he sold the stock. Display the amount of profit that Joe made after selling his stock and paying the two commissions to his broker. (If the amount…Data structure & Algorithum Java program magine a pile of books on your desk. Each book is so large and heavy that you can remove only the top one from the pile. You cannot remove a book from under another one. Likewise, you cannot add a book beneath another one. You can add another book to the pile only by placing it on top of the pile. If you represent booka by thier titles alone, the "PileInterface.java" interface attached can be used to track the books in the pile on your desk. Define a class "PilesOfBooks.java" that implements this interface using a chain of linked nodes. Then, write a program that demonstrates your implementation (i.e. PilesOfBookDemo.java) to prompt the user for various book titles and thoroughly tests all the methods in the PileOfBooks.java.class. public interface PileInterface<T>{/** Adds a new book to the top of this pile.@param newBook An object to be added to the pile. */public void add(T newBook);/** Removes and returns this pile's top…14. How can you check whether two numbers x and y are equal or not without using the == operator in JAVA.
- Write a JAVA program that can be used to assign seats for a commercial airplane. The airplane has 13 rows, with 6 seats in each row. Rows 1 and 2 are first class, rows 3 to 7 are business class, and rows 8 to 13 are economy class. Your program prompts the user to enter the following information: Ticket type (first class, business class, or economy class) Desired seat ‘*’ indicates that the seat is available; ‘X’ indicates that the seat has been assigned. Make this a menu-driven program; show the user’s choices and allow the user to make the appropriate choices.Retail StoreSuppose you have been consulted by a retail shop around your area to build a simple calculator. The calculator must be able to perform arithmetic operations (+, -, *, /) on integers. The program receives an expression from the user. The expression is structured as follows: integer input followed by an operator and another integer input from user prior to displaying the final result. Write a Java application that can perform the above expression. Create a method that takes two parameters and performs an arithmetic operation on the passed values. Your final output should consist of the expression and the result.Java What is the scope of the variable tempNum? (Type your answer as two line numbers with a comma between. For example if a variable's scope would go from lines 5 to 10, you would type 5, 10.)
- Decidewhich of the following statements is either true or false and re-correct the false ones.1. The value of the following logical expression is true (1 + 2 == 2) || (4 - 4 == 0)2. In Java, once a variable is declared, it will be visible and could be used anywhere in theprogram.3. Strings are primitive data type in Java.4. In Java, we can initialize a variable during its declaration.5. do ... while repetition statement gives full control on the code block to be repeated.6. All binary operators except for the assignment operators are evaluated from Left to Right7. A ragged 2D array is a 2D array in which each column may contain different number of rows.8. Each row in a 2D array could be dealt with as 1D array.9. The following statement creates and initializes the array x:int x[] = {10, 20, 30, 40, 50};10. A Java program may contain more than one method with the same signatureNEED HELP IN JAVA PROGRAMMING. "ENCAPSULATION" SHOULD BE IMPLEMENTED IN THE CODE. PLEASE FOLLOW INSTRUCTIONS AND REFER TO THE PICTURE BELOW FOR THE SAMPLE OUTPUT AND EXPLANATION."ENCAPSULATION"Instructions1. Create a program that will simulate a mango store.2. First create the class Fruit see the representation of the class.3. Second create the class FruitTester see the representation of the class.4. You will not ask the user to enter the name, price and color of the fruit. Give them a staticvalue using mutator methods.5. Aside from the accessor and mutator, create a user defined method name calculatePrice( )that will calculate the total price the user needs to pay. Formula (quantity * price).6. Also create a user defined method name calculateChange( ) that will calculate the changeof the user. Formula (cash - totalPrice).Note: You can create a validation that if the cash entered by the user is lower than thetotalPrice.7. When printing the values invoke the accessor methods and the…Create a simple illness Check-up Java program. This program must implement encapsulation and polymorphism. Example: System: Good day. What can we do for you? User: I am sick. System: These are the available services Pediatric Pulmonary Internal Medicine Simple consultation The program must implement encapsulation and polymorphism.
- Understanding ifStatements Summary In this lab, you complete a prewritten Java program for a carpenter who creates personalized house signs. The program is supposed to compute the price of any sign a customer orders, based on the following facts: The charge for all signs is a minimum of $35.00. The first five letters or numbers are included in the minimum charge; there is a $4 charge for each additional character. If the sign is made of oak, add $20.00. No charge is added for pine. Black or white characters are included in the minimum charge; there is an additional $15 charge for gold-leaf lettering. Instructions 1. Ensure the file named HouseSign.java is open. 2. You need to declare variables for the following, and initialize them where specified: A variable for the cost of the sign initialized to 0.00 (charge). A variable for the number of characters initialized to 8 (numChars). A variable for the color of the characters initialized to "gold" (color). A variable for the…PART B: JUnit Testing Write a Java program according to the following: Create a Multiple.java class. Create the following two static methods (with return type float): SquareRoot() and CubeRoot(). SquareRoot) method should take two arguments and return the float value at the end. CubeRoot() method should take three arguments and return the float value at the end. Create a test class with the name MultipleTest.java. In this class, import the following libraries at the top of this file import org.junit. Before; import org.junit. Test; import static org.junit.Assert.assertEquals; Create an object of Calculator.java class by writing the following code in CalculatorTest.java class: private Multiple multiple; @Before public void setup() {this.multiple new Multiple():) 4. Generate the JUnit test classes for both the methods one by one. Declare and initialize the required variables to pass those to the methods. Store the expected result in one of the variables and then compare it with the…NEED HELP IN JAVA PROGRAMMING. "ENCAPSULATION" SHOULD BE IMPLEMENTED IN THE CODE. PLEASE FOLLOW INSTRUCTIONS AND REFER TO THE PICTURE BELOW FOR THE SAMPLE OUTPUT AND EXPLANATION. "ENCAPSULATION" Instructions 1. Create a program that will simulate a mango store. 2. First create the class Fruit see the representation of the class. 3. Second create the class FruitTester see the representation of the class. 4. You will not ask the user to enter the name, price and color of the fruit. Give them a static value using mutator methods. 5. Aside from the accessor and mutator, create a user defined method name calculatePrice( ) that will calculate the total price the user needs to pay. Formula (quantity * price). 6. Also create a user defined method name calculateChange( ) that will calculate the change of the user. Formula (cash - totalPrice). Note: You can create a validation that if the cash entered by the user is lower than the totalPrice. 7. When printing the values invoke the accessor…