java If the first statement of a constructor has the form this(. . .), then the constructor calls another constructor of the same class. Select one: True False
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java
If the first statement of a constructor has the form this(. . .), then the constructor calls another constructor of the same class.
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- Write a Java reservation system. The Java code uses OOP Concepts, Class, Setters and Getters, Constructor, Class methods, Inheritance. (least one custom class and two subclass). Please write the code and the output photos after.Java. Code: public class Person{// PLEASE START YOUR CODE HERE// *********************************************************// *********************************************************// PLEASE END YOUR CODE HERE//constructorpublic Person(String firstName, String lastName){this.firstName = firstName;this.lastName = lastName;}public String toString(){return firstName + " " + lastName;}}GuitarString.javaCreate a data type to model a vibrating guitar string. Write a class named GuitarString that implements the following API:
- Class is the primary class in the Java programming language, and all other Java classes are subclasses of class, which is the most basic class in the language.Write, compile, and test a class that displays the pattern shown in Figure 1-26. Write your Java code Class Triangle { public static void main(String[] args) { // Write your code here } }Using oop in java Create a class “Main” having main method to perform following tasks. Create two objects of Subject class having value “Math, 99.9” and “Physics, 98.9” respectively. Display the values of both objects Change the value of object from 99.9 to 89.9 Compare both objects and display the values of the subject which have lowest score.
- (Java) What does the public visibility modifier mean? -means accessible from any class in the same package -means accessible to any method in the class means accessible to the current program -means accessible from any other classJava program Design a class called CreditCard. The Credit Card has private attributes such asCard Number, Name, ExpiryDate. The CreditCard has different behaviors such as:using the Credit card to Buy items and to get Credit. You should create three instanceobjects for three card holders. Provide in the method buyItems to check if the user hasenough balance in the credit card to but the item, if the user has less credit, then printa message “No enough Balance”.The class should override the method toString to print the card details for each cardholder.Java A class always has a constructor that does not take any parameters even if there are other constructors in the class that take parameters. Choose one of the options:TrueFalse
- java An instance variable declared as static is "common" to all objects of the class. Choose one of the options:TrueFalsePlease do this in Java! Thank you 10. Ship, CruiseShip, and CargoShip Classes Design a Ship class that the following members: • A field for the name of the ship (a string). • A field for the year that the ship was built (a string). • A constructor and appropriate accessors and mutators. • A toString method that displays the ship’s name and the year it was built. Design a CruiseShip class that extends the Ship class. The CruiseShip class should have the following members: • A field for the maximum number of passengers (an int). • A constructor and appropriate accessors and mutators. • A toString method that overrides the toString method in the base class. The CruiseShip class’s toString method should display only the ship’s name and the maximum number of passengers. Design a CargoShip class that extends the Ship class. The CargoShip class should have the following members: • A field for the cargo capacity in tonnage (an int). • A constructor and appropriate accessors and mutators. • A…(Java) Question 2 Explain the answer step-by-step and include verbal explanation. Thank you! What is the difference between overriding a method and overloading a method? Select the correct option next to each statement, or select both options if the statement is true for both. Both methods have the same name: Overriding / Overloading Both methods have the same signature: Overriding / Overloading Both methods are defined in the same class: Overriding / Overloading