Homework Answers

Write a program to take two numbers as input then display their total using java.io. package for input i.e. InputStreamReader isr= new InputStreamReader(System.in);

BufferedReader br=new BufferedReader(isr);

Integer.parseInt(br.readLine());

Use void only once in public static void main(String args[])

Don't use void second time.

Write a program to take a String as input then display the word which has highest number of vowels.

For example:

Enter a String

EDUCATION IS important

EDUCATION has highest number of vowels

2nd e.g.

Enter a String

Hello use dog

Hello and use has same highest number of vowels

The volume of a sphere is 4/3πr3, where π has the value of "pi" given in Section 2.1 of your textbook. Write a function called print_volume (r) that takes an argument for the radius of the sphere, and prints the volume of the sphere.

Call your print_volume function three times with different values for radius.

Include all of the following in your Learning Journal:

The code for your print_volume function.

The inputs and outputs to three calls of your print_volume.

Part 2

Write your own function that illustrates a feature that you learned in this unit. The function must take at least one argument. The function should be your own creation, not copied from any other source. Do not copy a function from your textbook or the Internet.

Include all of the following in your Learning Journal:

The code for the function that you invented.

The inputs and outputs to three calls of your invented function.

A description of what feature(s) your function illustrates.

Write a program to take a String as input then display only palindrome words found in the String and also display how many palindrome words found.

For example:

Enter a String

MOM AND dad are talking

Palindrome words: MOM dad

No. of such words: 2

for(i=s.length()-1;i>=0;i--)

{

c=s.charAt(i);

rev=rev+c;

} //To check palindrome words

Write a program to:

1. Store the following message into a string (DO include periods!):
2. I am the door of the sheep. All who came before me are thieves and robbers, I am the door.
3. Insert the following message after the comma in the string.
4. but the sheep did not listen to them.
5. Output the string to the screen with a new line at the end.
6. Replace the following words in the string.
7. a. “I” and "me" with “Jesus”
8. b. “am” with “is”
9. Note: Make sure you only replace the word “ am“ and not the letters “am" that might appear in that sequence in another word
10. Output the string with a new line at the end.

The final output should be as follows:

Jesus is the door of the sheep. All who came before Jesus are thieves and robbers, but the sheep did not listen to them. Jesus is the door.