public class LotsOfStuff
{
public static void main (String[] args)
{
/** ************* Practice ******************
* We'll do this one together. We're going to
* add up all the values that i will be in the
* following loop. We're also going to count
* the number of even numbers that i will be.
*/
System.out.println ("Practice Section\n");
int count = 0;
int sum = 0;
int evens = 0;
for (int i = 2; i < 99; i++)
{
count++;
sum += i;
if (i% 2 == 0)
{
evens++;
}
}
System.out.println ("Iterations: "+count);
System.out.println ("Sum: "+sum);
System.out.println ("Evens: "+evens);
/** ************** Part 1 *******************
* Print how many times this loop runs
*/
System.out.println ("\n\nPart 1\n");
count = 0;
for (int i = 0; i < 99; i += 3)
{
count++;
}
System.out.println ("Iterations: "+count);
/** ************** Part 2 *******************
* Print the sum of all numbers that i will be
*/
System.out.println ("\n\nPart 2\n");
sum = 0;
for (int i = 100; i > 50; i--)
{
sum += i;
}
System.out.println ("Sum: "+sum);
/** ************** Part 3 *******************
* Print the number of even numbers that i has been
*/
System.out.println ("\n\nPart 3\n");
evens = 0;
for (int i = 0; i < 50; i += 3)
{
if (i% 2 == 0)
{
evens++;
}
}
System.out.println ("Evens: "+evens);
/** ************** Part 4 *******************
* Print the number of times this loop runs
* also, print the sum of all numbers that i will be
*/
System.out.println ("\n\nPart 4\n");
count = 0;
sum = 0;
for (int i = 500; i <= 0; i -= 45)
{
count++;
sum += i;
}
System.out.println ("Iterations: "+count);
System.out.println ("Sum: "+sum);
/** ************** Part 5 *******************
* Print the total number of times that loop runs
* Also, print the total number of even numbers
* And, print the total number of odd numbers
*/
System.out.println ("\n\nPart 5\n");
count = 0;
evens = 0;
int odds = 0;
for (int i = 30; i <= 60; i += 3)
{
count++;
if (i% 2 == 0)
{
evens++;
}
if (i% 2 != 0)
{
odds++;
}
}
System.out.println ("Iterations: "+count);
System.out.println ("Evens: "+evens);
System.out.println ("Odds: "+odds);
/** ************** Part 6 *******************
* Make a loop that will count to 100 by 5's
* like 5 10 15 20... 100
* Also, make it print that the sum of all of those numbers
*/
System.out.println ("\n\nPart 6\n");
int crap = 5;
int stop = 20;
sum = 0;
for (int i = 1; i <= stop; i = i + 1)
{
System.out.print (crap* i+ " ");
int stuff = crap * i;
sum += stuff;
}
System.out.println ();
System.out.print ("The sum of all numbers is: "+sum);
}
}
{
public static void main (String[] args)
{
/** ************* Practice ******************
* We'll do this one together. We're going to
* add up all the values that i will be in the
* following loop. We're also going to count
* the number of even numbers that i will be.
*/
System.out.println ("Practice Section\n");
int count = 0;
int sum = 0;
int evens = 0;
for (int i = 2; i < 99; i++)
{
count++;
sum += i;
if (i% 2 == 0)
{
evens++;
}
}
System.out.println ("Iterations: "+count);
System.out.println ("Sum: "+sum);
System.out.println ("Evens: "+evens);
/** ************** Part 1 *******************
* Print how many times this loop runs
*/
System.out.println ("\n\nPart 1\n");
count = 0;
for (int i = 0; i < 99; i += 3)
{
count++;
}
System.out.println ("Iterations: "+count);
/** ************** Part 2 *******************
* Print the sum of all numbers that i will be
*/
System.out.println ("\n\nPart 2\n");
sum = 0;
for (int i = 100; i > 50; i--)
{
sum += i;
}
System.out.println ("Sum: "+sum);
/** ************** Part 3 *******************
* Print the number of even numbers that i has been
*/
System.out.println ("\n\nPart 3\n");
evens = 0;
for (int i = 0; i < 50; i += 3)
{
if (i% 2 == 0)
{
evens++;
}
}
System.out.println ("Evens: "+evens);
/** ************** Part 4 *******************
* Print the number of times this loop runs
* also, print the sum of all numbers that i will be
*/
System.out.println ("\n\nPart 4\n");
count = 0;
sum = 0;
for (int i = 500; i <= 0; i -= 45)
{
count++;
sum += i;
}
System.out.println ("Iterations: "+count);
System.out.println ("Sum: "+sum);
/** ************** Part 5 *******************
* Print the total number of times that loop runs
* Also, print the total number of even numbers
* And, print the total number of odd numbers
*/
System.out.println ("\n\nPart 5\n");
count = 0;
evens = 0;
int odds = 0;
for (int i = 30; i <= 60; i += 3)
{
count++;
if (i% 2 == 0)
{
evens++;
}
if (i% 2 != 0)
{
odds++;
}
}
System.out.println ("Iterations: "+count);
System.out.println ("Evens: "+evens);
System.out.println ("Odds: "+odds);
/** ************** Part 6 *******************
* Make a loop that will count to 100 by 5's
* like 5 10 15 20... 100
* Also, make it print that the sum of all of those numbers
*/
System.out.println ("\n\nPart 6\n");
int crap = 5;
int stop = 20;
sum = 0;
for (int i = 1; i <= stop; i = i + 1)
{
System.out.print (crap* i+ " ");
int stuff = crap * i;
sum += stuff;
}
System.out.println ();
System.out.print ("The sum of all numbers is: "+sum);
}
}
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