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HWJ5 - Loop exercises:
Start with the file below and use it to create the 8 methods described.
/**
* HWJ5 Exercises to practice with loops
*
* @author (your name)
* @version 1.9
*/
import java.util.Scanner;
public class HWJ5_Loops
{
//class practice below
public static void classPractice()
{
}
//create a FOR loop that will print Lacrosse is not a sport 20 times
public static void printLacrosseFor()
{
}
//create a WHILE loop that will print Dont Be Late Jones 50 times
public static void printJonesWhile()
{
}
//that will print the numbers from 1 to max on one line like 1,2,3,4,5,6,7,....,150 [if max was 150] (advanced - note: no comma at end)
public static void printNumbers(int max)
{
}
//that will print the odd numbers from start to end; assume start is odd.
public static void printOdds(int start, int end)
{
}
//that will insult the user and then say do you want another insult (y or n)
//if they say y it will repeat, if they so n it will end. [advanced - have it choose from 1 of 5 insults randomly]
public static void insultUser()
{
Scanner scan=new Scanner(System.in);
System.out.println("Type in a string");
String theString=scan.nextLine();
}
//Create a method that will count down from 10 and then say takeoff
public static void countDown()
{
}
/*
* this method will print out all the multiples of 11 up to 1000
* 11,22,33, so
*/
public static void multiplesOf11()
{
}
/*
* this method will add all the numbers between (and including
* firstNum and endNum
* if they put in 5,10 it would add 5,6,7,8,9,10 =45
* int sum=0;
* for (start at startNum go to endNum, increment one each time)
* sum=sum+i;
*/
public static void firstToLastNum(int firstNum, int endNum)
{
}
/*
* this method will start at startNum and print 20 numbers more than startNum
* then when it hits startNum+20 it will count down to startNum
* for example you say put in 50 it will print 51 52 53...68 69 70 then 70 69... 52 51 50
* 2 for loops 1 loop going up , one loop going down.
* */
public static void upDownNumbers(int startNum)
{
}
/*********************************************************************************************************************/
// Advanced below - there are six, advanced must do between 1-6 [depending on your level]
/*********************************************************************************************************************/
/*
* Using the scanner class, ask the user to say my name (borland)
* if they say anything but borland, say thats not my name, say my name!
* and repeat this until they say my name.
* [you can of course change it to your name]
* for high flyers, see if you can come up w/ a way that case doesnt matter [look at api]
*/
public static void sayMyName()
{
Scanner scan=new Scanner(System.in);
System.out.println("Type in a string");
String theString=scan.nextLine();
}
/*
* Using the scanner class, ask the user how many numbers you want him
* to average.
* Then read in that many of numbers and spit out average
*/
public static void findAvg()
{
Scanner scan=new Scanner(System.in);
System.out.println("Type in a number");
int x=scan.nextInt();
}
/*
* this method will print * then ** then *** for 10 rows
* so it would look like *
* so it would look like **
* so it would look like *** and so on
*/
public static void printStars()
{
//hint declare a variable String stars="*"; and each time in a for loop
// say stars=stars+"*"; this would add another * to stars.
// so your code will be in a for loop that repeats 10 times
}
/*
* this method will print will print all the leters in a line of its own
* for example if you put borland it would then print "give me a b"
* give me a "o"
* give me a "r"....
* */
public static void cheerLeaders(String word)
{
}
//that will solve this puzzle: how many numbers between 1-1000 have a product of their digits greater than 50 like 439 is 4*3*9 which is greater than 50.
//Print out all the numbers and say how many there were.
public static void puzzleNumber()
{
}
//Print out the first 30 prime numbers [you will need to know % (modulo operator) which gives the remainder, like 5%2 is 1 or 40%8=0 or 13%5 =3 or 24%5=4]
public static void findPrime()
{
}
//Find the smallest positive integer that if it is divided by 7, 9, and 11 the remainders are 1, 2, and 3 respectively.
public static void puzzle2()
{
}
}
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