ProblemSet6

Problem Set

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Pset 6 
1.	What is an infinite loop? 
	An infinate loop is a loop that does not end and has no quit condititon
	
2.	How do you prevent an infinite loop?
	By having a condiditon in which the loop will end/quit.
	
2.	Create a while loop which: 
1.	Checks to make sure that the user entered a positive number 
	while (num>0)
	
2.	User enters a word with 5 characters 
	while (num.length() == 5)
	
3.	User's entry begins with the letter c 
	char num = input.charAt(0);
	String str = Character.toString(num);
	if (str.equals("c"))

4.	Checks to see that the user entered a valid input (valid input options are: 1, 2 or 3) 
	while ( x == 1 || x == 2 || x == 3)
	
5.	Prints all multiples of 3 between 3 and 99 inclusive.  
	x = 3
	while (x != 100)
		System.out.println("x");
		x++;
	
6.	Given a word, it checks how many times the letter "e" appears in the word.
	while (str.contains("e")) {
		str = str.replace("e", "")'
		i++;
	System.out.println(i);
	
3.	Multiple choice 3.7
	B
	
4.	Short answer 3.7 
	2, 4, 6, 8, 10, 12, 14, 16, 18, 20
	
5.	Short answer 3.11 
	1) count--;
	2) count = 0;
	3) count = 0 && count--;
	
6.	Short answer 3.13 
	System.out.println("Enter a number")
	num = input.nextInt();
	while (num>0) {
		System.out.println("Enter a number")
		num = input.nextInt();

Good work!