Java | JSP | JSF Answers

Write a program that takes a String

through Command Line argument and display the length of

the string. Also display the string into uppercase and check whether it is a palindrome or not.

Write a class to represent dates (i.e., day/month/year). Add methods that should perform operations such as determining the number of days between two dates, add two dates, determining the number of months between two dates and determining the day of the week that a particular date falls on. Write a test class to confirm that your date class works.

Create a program that will String input. Based on the number of inputs, the user will decide what shape it is. (1 input – circle, 2 inputs – square or rectangle, 3 inputs - triangle). The program will then display the shape type, details, perimeter and area.

Justines-MacBook-Pro:classes Justine$ java-jar Shape.jar15

Type:Circle

Radius:15

Perimeter:94.2

Area:706.5

Justines-MacBook-Pro:classes Justine$ java-jar Shape.jar15

Type:Rectagle

Length:24

Width:12

Perimeter:72.0

Area:288.0

Justines-MacBook-Pro:classes Justine$ java-jar Shape.jar15

Type:Square

Side:12

Perimeter:48.0

Area:144.0

Justines-MacBook-Pro:classes Justine$ java-jar Shape.jar 9 15 12

Type:Triangle

Sides:9, 15, 12

Perimeter:36.0

Area:54.0

Justines-MacBook-Pro:classes Justine$ java-jar Shape.jar 9 15 12 8

Invalid input

Julio Cesar Chavez Mark VII is an interplanetary space boxer, who currently holds the championship belts for various weight categories on many different planets within our solar system. However, it is often difficult for him to recall what his "target weight" needs to be on earth to make the weight class on other planets. Write a Java program to help him keep track of this. Create a Weight class in which you will have your main method. Perform all the inputs, calculations, and outputs in the main method.

It should ask him what his earth weight is, and to enter a number for the planet he wants to fight on. It should then compute his weight on the destination planet based on the table below:

#

Planet

Relative gravity

1. Venus: 0.78

2. Mars: 0.39

3. Jupiter: 2.65

4. Saturn: 1.17

5. Uranus: 1.05

6.Neptune: 1.23

information for the following planets:

  1. Venus 2. Mars   3. Jupiter

  4. Saturn 5. Uranus 6. Neptune

Which planet are you visiting?

Create a class Animal and its derived classes Cat, Dog and Duck. The class should include the following methods: Sound( ), Eat( ), Drink( ). Create the objects of all these classes, fill them in an array and randomly select an object from the array and displaying the following information about each object.

A.   Name.

B.   Breed.

Write a java program using arrays that accepts the width and length of a rectangle and computes both its area and perimeter.

Write a Java method to find the smallest number among three numbers.

Test Data:

Input the first number: 25

Input the Second number: 37

Input the third number: 29 

Write a Java method to compute the future investment value at a given interest rate for a specified number of years.

Sample data (Monthly compounded) and Output:

Input the investment amount: 1000

Input the rate of interest: 10

Input number of years: 5 

Seoul Garden Sdn Bhd serves a wide range of seafood selections such as tasty crabs, fresh prawns, chicken fillets & many more for steamboat and grill. This buffet restaurant serves up 150+ choices of fresh seafood, fruits, and cold & hot beverages.

Age 6-12 years old, the price is RM 11 while age 13 and above years old, the price was RM 25.

Seoul Garden Sdn Bhd also gives an appreciation for the member cardholder with 6% off from the total price. The above price excludes government tax of RM 5.60.

Write an application that accepts the customer’s age and member status (member or non-member) by using a JOptionPane procedure and prints out the total price.

You found an exciting summer job for five weeks. It pays Php150.00 per hour. Suppose that the total tax you pay on your summer job income is 14%. After receiving your pay, you spend 10% of your net income to buy new clothes and other accessories for the next school year and 1% to buy school supplies. After buying clothes and school supplies, you use 25% of the remaining money to buy savings bonds. For each peso you spend to buy savings bonds, your parents spend Php 0.50 to buy additional savings bonds for you. Write a program that prompts the user to enter the number of hours you worked each week. The program then outputs the following:

Your income before and after taxes from your summer job

The money you spend on clothes and other accessories

The money you spend on school supplies

The money you spend to buy savings bonds

The money your parents added for your savings bonds.

The money left from your income for the week