LAB 1 – Intro to Java | Washington Sarmiento's ePortfolio OpenLab Logo Home About People Courses Projects Clubs Portfolios Help Toggle navigation My OpenLab Home About People Courses Projects Clubs Portfolios Help Sign Up Log In Washington Sarmiento's ePortfolio A City Tech OpenLab ePortfolio Menu Skip to content Portfolio Profile Home About Me CET 3640 LAB 0 – Open Lab and Eclipse LAB 1 – Intro to Java LAB 2 – Classes and Methods LAB 3 – Inheritance LAB 4 – Polymorphism LAB 5 – Data Structures LAB 5PT2 – Data Structure Second Version LAB 6 – My First App Academics Courses Sample Course Internships Career Resume Achievements LAB 1 – Intro to Java Lab Report 1 – Description For LAB1 we need to create a program that will prompt the user to enter numbers to compute several statistics. We need to display a menu that will ask the user to (1) enter a number or (2) exit. The user should be able to enter as many numbers as wished (positives or negatives). When the user finishes the following statistics should be displayed: First number entered, Last number entered, Count of number entered, Lowest two numbers, Highest two numbers, Total Sum, and Average. I created a class which contains setMethods, getMethods, constructors, and functions. Later, I created another class containing public static void main where i create an object where I pass the name to constructor. Once this is done i am able to call on my functions and just display the results of my functions. Code: /*First class*/
package LAB_1;
import java.util.Scanner;
/*Created a class for constructors, setmethods, getmethods, and such so I can call upon them in my main program*/
public class INPUTS {
String welcome;
int numbers = 0;
int frstnum = 0;
int lstnum = 0;
int lownum = 0;
int highnum = 0;
int scdhighnum = 0;
int scdlownum = 0;
int count = 0;
int sum = 0;
public INPUTS(String Program)
{
welcome = Program;
}
public void setWELCOME(String Program)
{
welcome = Program;
}
public String getWELCOME()
{
return welcome;
}
public void MSGDISPLAY()
{
System.out.printf("Welcome to Washington Sarmiento's First Program\n%s!\n\n", getWELCOME());
}
public void INPUTNUMS()
{
Scanner switchy = new Scanner( System.in );
Scanner INPUT = new Scanner( System.in );
Scanner brk = new Scanner( System.in );
System.out.print("Enter '1' to run the program or '2' to exit: \n");
int choice =switchy.nextInt();
while(choice != 2)
{
System.out.println("Enter 0 to continue ");
System.out.println("To terminate program enter n/N after these statements:");
//(n/ or N) char will terminate program after last number is entered
String brk1 = brk.next();
char brk2 = brk1.charAt(0);
System.out.println("Enter a set of numbers:\n");
numbers = INPUT.nextInt();
lstnum = numbers;
sum += numbers;
count++;
if (numbers > highnum)
{
scdhighnum = highnum;
highnum = numbers;
}
else if (numbers > scdhighnum)
{
scdhighnum = numbers;
}
if (numbers < lownum)
{
scdlownum = lownum;
lownum = numbers;
}
else if (numbers < scdlownum)
{
scdlownum = numbers;
}
if ( count == 1 )
{
frstnum = numbers;
highnum = numbers;
lownum = numbers;
}
if ( brk2 == 'n' || brk2 == 'N' )
//if(numbers == 0)
{
break;
}
}
}
public void DISPLAYRSLTS ()
{
System.out.println("FIRST NUMBER: " +frstnum);
System.out.println("LAST NUMBER: " +lstnum);
System.out.println("COUNT: "+count);
System.out.println("LOWEST NUMBER: " +lownum);
System.out.println("SECOND LOWEST NUMBER: " +scdlownum);
System.out.println("HIGHEST NUMBER: " +highnum);
System.out.println("SECOND HIGHEST NUMBER: " +scdhighnum);
System.out.println("TOTAL SUM: " +sum);
System.out.println("AVERAGE: " +sum/count);
}
}
/*Second class*/
package LAB_1;
/*this class contains main which will run the program I and will call the setmethods, getmethods and others from inputs class*/
public class INPUTSTEST {
public static void main(String[] args) {
INPUTS userINPUTS = new INPUTS("CET3640f2013 LAB 1: Introduction to Java Programming");
userINPUTS.MSGDISPLAY();
userINPUTS.INPUTNUMS();
userINPUTS.DISPLAYRSLTS();
}
}
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