Java : I keep getting something wrong in my loadfile method, how do I fix my...
Java : I keep getting something wrong in my loadfile method, how do I fix my code? Thank you.
here is what is contained in the text file (WorldSeriesWinners.txt)
112
1903 Boston Americans
1904 No World Series
1905 New York Giants
1906 Chicago White Sox
1907 Chicago Cubs
1908 Chicago Cubs
1909 Pittsburgh Pirates
1910 Philadelphia Athletics
1911 Philadelphia Athletics
1912 Boston Red Sox
1913 Philadelphia Athletics
1914 Boston Braves
1915 Boston Red Sox
1916 Boston Red Sox
1917 Chicago White Sox
1918 Boston Red Sox
1919 Cincinnati Reds
1920 Cleveland Indians
1921 New York Giants
1922 New York Giants
1923 New York Yankees
1924 Washington Senators
1925 Pittsburgh Pirates
1926 St. Louis Cardinals
1927 New York Yankees
1928 New York Yankees
1929 Philadelphia Athletics
1930 Philadelphia Athletics
1931 St. Louis Cardinals
1932 New York Yankees
1933 New York Giants
1934 St. Louis Cardinals
1935 Detroit Tigers
1936 New York Yankees
1937 New York Yankees
1938 New York Yankees
1939 New York Yankees
1940 Cincinnati Reds
1941 New York Yankees
1942 St. Louis Cardinals
1943 New York Yankees
1944 St. Louis Cardinals
1945 Detroit Tigers
1946 St. Louis Cardinals
1947 New York Yankees
1948 Cleveland Indians
1949 New York Yankees
1950 New York Yankees
1951 New York Yankees
1952 New York Yankees
1953 New York Yankees
1954 New York Giants
1955 Brooklyn Dodgers
1956 New York Yankees
1957 Milwaukee Braves
1958 New York Yankees
1959 Los Angeles Dodgers
1960 Pittsburgh Pirates
1961 New York Yankees
1962 New York Yankees
1963 Los Angeles Dodgers
1964 St. Louis Cardinals
1965 Los Angeles Dodgers
1966 Baltimore Orioles
1967 St. Louis Cardinals
1968 Detroit Tigers
1969 New York Mets
1970 Baltimore Orioles
1971 Pittsburgh Pirates
1972 Oakland Athletics
1973 Oakland Athletics
1974 Oakland Athletics
1975 Cincinnati Reds
1976 Cincinnati Reds
1977 New York Yankees
1978 New York Yankees
1979 Pittsburgh Pirates
1980 Philadelphia Phillies
1981 Los Angeles Dodgers
1982 St. Louis Cardinals
1983 Baltimore Orioles
1984 Detroit Tigers
1985 Kansas City Royals
1986 New York Mets
1987 Minnesota Twins
1988 Los Angeles Dodgers
1989 Oakland Athletics
1990 Cincinnati Reds
1991 Minnesota Twins
1992 Toronto Blue Jays
1993 Toronto Blue Jays
1994 No World Series
1995 Atlanta Braves
1996 New York Yankees
1997 Florida Marlins
1998 New York Yankees
1999 New York Yankees
2000 New York Yankees
2001 Arizona Diamondbacks
2002 Anaheim Angels
2003 Florida Marlins
2004 Boston Red Sox
2005 Chicago White Sox
2006 St. Louis Cardinals
2007 Boston Red Sox
2008 Philadelphia Phillies
2009 New York Yankees
2010 San Francisco Giants
2011 St. Louis Cardinals
2012 San Francisco Giants
2013 Boston Red Sox
2014 San Francisco Giants
Public Class Winner {
private String team;
private int year;
private Winner()
{
/*
* Make default constructor private so programers who use this
* class are forced to use the constructor that requires them
* to provide both the team name and year
*/
}
public Winner(String team, int year)
{
this.team = team;
this.year = year;
}
public String getTeam() {
return team;
}
public int getYear() {
return year;
}
}
import java.io.File;
import java.util.Scanner;
public class MainClass {
public static Winner [] listOfWinners;
public static void loadFromFile()
{
try{
//Create instance of Scanner and provide instance of File pointing to the txt file
Scanner input = new Scanner(new File("WorldSeriesWinners.txt"));
//Get the number of teams
int years = input.nextInt();
input.nextLine();//move to the next line
//Create the array
listOfWinners = new Winner[years];
//for every year in the text file
for(int index = 0; index
{
//Get the year
int year = input.nextInt();
input.skip(" ");
//Get the team
String team = input.nextLine();
//Create an instance of Winner and add it to the next spot in the array
listOfWinners[index] = new Winner(team,year);
}
}catch(Exception e)
{
System.out.println("Hey Meatbag, I'm Bender, and something wrong in the loadFromFile method happened!");
System.out.println(e.toString());
System.exit(0);
}
}
public static void sortByTeamName()
{
for (int i = 0; i < listOfWinners.length-1; i++)
{
int minimumIndex = i;
for (int j = i+1; j < listOfWinners.length; j++)
{ if (listOfWinners[j].getTeam().compareTo(listOfWinners[minimumIndex].getTeam())==-1)
{ minimumIndex = j;
}
}
Winner temp = listOfWinners[minimumIndex];
listOfWinners[minimumIndex] = listOfWinners[i];
listOfWinners[i] = temp;
}
}
public static void sortByYear()
{
for (int i = 0; i < listOfWinners.length-1; i++)
{
int minimumIndex = i;
for (int j = i+1; j < listOfWinners.length; j++)
{
if (listOfWinners[j].getYear()
{ minimumIndex = j;
}
}
Winner temp = listOfWinners[minimumIndex];
listOfWinners[minimumIndex] = listOfWinners[i];
listOfWinners[i] = temp;
}
}
public static void printArray()
{
//Print the array
for(int index=0; index
{
System.out.println(listOfWinners[index].getYear()+" Winners " + listOfWinners[index].getTeam());
}
}
public static void searchForWinnerByYear(int year)
{
String team="no one";
for(int i=0;i
{
if(listOfWinners[i].getYear()==year)
{
team=listOfWinners[i].getTeam();
}
}
System.out.println("team won was :"+team);
}
public static void searchForYearsATeamWon(String team)
{
for(int i=0;i
{
if(listOfWinners[i].getTeam().equals(team))
{
System.out.println("year :"+listOfWinners[i].getYear());
}
}
}
public static void main(String[] args) {
int choice;
Scanner keyboard = new Scanner(System.in);
System.out.println("World Series Program");
//Load text file
loadFromFile();
do{
System.out.println("1.........Print out the Winner List sorted by team name");
System.out.println("2.........Print out the Winner List sorted by years");
System.out.println("3.........Print out the Winner of a particular year");
System.out.println("4.........Print out the years a particular team won");
System.out.println("5.........Exit the Program");
System.out.println("Which Choice Would You Like?");
choice = keyboard.nextInt();
switch(choice)
{
case 1:
//Option 1, sort array by name and print out.
sortByTeamName();
printArray();
break;
case 2:
//Option 2, sort array by year and print out.
sortByYear();
printArray();
break;
case 3:
//Option 3 Search for winner by year
System.out.println("What year would you like to find the winner?");
int year = keyboard.nextInt();
searchForWinnerByYear(year);
break;
case 4:
//Option 4 Search for years a team won
System.out.println("What team would you like to check for years won?");
keyboard.nextLine();
String team = keyboard.nextLine();
searchForYearsATeamWon(team);
break;
case 5://Exit
break;
default:
System.out.println("Invalid Choice");
}
}while(choice != 5);
System.out.println("Goodbye!");
}
}
Homework Answers
//MainClass.java
import java.io.File;
import java.util.Arrays;
import java.util.Scanner;
public class MainClass {
public static Winner [] listOfWinners;
public static void loadFromFile()
{
try{
Scanner input = new Scanner(new File("WorldSeriesWinners.txt"));
//Get the number of teams
int years = input.nextInt();
input.nextLine();//move to the next line
//Create the array
listOfWinners = new Winner[years];
//for every year in the textfile
for(int index = 0; index<years; index++)
{
//Get the year
int year = input.nextInt();
input.skip(" ");
//Get the team
String team = input.nextLine();
//Create an instance of Winner and add it to the next spot in the array
listOfWinners[index] = new Winner(team,year);
}
for(int i=0; i < listOfWinners.length; i++)
{
//System.out.println(listOfWinners[i].getYear());
}
}catch(Exception e)
{
//System.out.println("Hey Meatbag, I'm Bender, and something wrong in the loadFromFile method happened!");
System.out.println(e.toString());
System.out.println(e.getMessage());
System.exit(0);
}
}
public static void sortByTeamName()
{
// store current i
Winner temp;
// store the lowest value
Winner min;
//Print the array
for(int i=0; i < listOfWinners.length; i++)
{
// select the first array value
min = listOfWinners[i];
for(int j=i+1; j < listOfWinners.length; j++)
{
// if value of the j is lower than the min make j the new min
if(listOfWinners[j].getTeam().compareTo(min.getTeam()) > 0)
{
// store new minmum
min= listOfWinners[j];
// hold i
temp = listOfWinners[i];
// make i the new min
listOfWinners[i] = min;
// j is the last value
listOfWinners[j] = temp;
}// end of if
} // end of for loop
} // end of for loop
}
public static void sortByYear()
{
Winner temp;
Winner min;
for(int i=0; i < listOfWinners.length-1; i++)
{
min = listOfWinners[i];
for(int j=i+1; j < listOfWinners.length; j++)
{
if(listOfWinners[j].getYear() < min.getYear())
{
min = listOfWinners[j];
temp = listOfWinners[i];
listOfWinners[i] = min;
listOfWinners[j] = temp;
} // end of if
} // end of for loop
} // end of for loop
}
public static void printArray()
{
//Print the array
for(int index=0; index<listOfWinners.length; index++)
{
System.out.println(listOfWinners[index].getYear()+" Winners " + listOfWinners[index].getTeam());
}
}
public static void searchForWinnerByYear(int year)
{
boolean match = false;
int check = 0;
while(match != true)
{
for(int i=0; i < listOfWinners.length; i++)
{
// check to see if the numbers match
if(listOfWinners[i].getYear() == year)
{
match = true;
System.out.println("Year:" + listOfWinners[i].getYear() + " Winner:" + listOfWinners[i].getTeam());
}
}// end of for loop
// if number does not exit
if(check == 0)
{
System.out.println("Invalid year");
match = true;
}
}// end of while loop
}
public static void searchForYearsATeamWon(String team)
{
boolean match = false;
int check = 0;
while(match != true)
{
for(int i=0; i < listOfWinners.length; i++)
{
if(listOfWinners[i].getTeam().compareTo(team) == 0)
{
match = true;
System.out.println("Year:" + listOfWinners[i].getYear() + " Winner:" + listOfWinners[i].getTeam());
}
}// end of loop
if(check == 0)
{
System.out.println("Invalid Team");
match = true;
}
}// end of loop
}
public static void main(String[] args) {
int choice;
Scanner keyboard = new Scanner(System.in);
System.out.println("World Series Program");
//Load textfile
loadFromFile();
do{
System.out.println("1.........Print out the Winner List sorted by team name");
System.out.println("2.........Print out the Winner List sorted by years");
System.out.println("3.........Print out the Winner of a particular year");
System.out.println("4.........Print out the years a particular team won");
System.out.println("5.........Exit the Program");
System.out.println("Which Choice Would You Like?");
choice = keyboard.nextInt();
switch(choice)
{
case 1:
//Option 1, sort array by name and print out.
sortByTeamName();
printArray();
break;
case 2:
//Option 2, sort array by year and print out.
sortByYear();
printArray();
break;
case 3:
//Option 3 Search for winner by year
System.out.println("What year would you like to find the winner?");
int year = keyboard.nextInt();
searchForWinnerByYear(year);
break;
case 4:
//Option 4 Search for years a team won
System.out.println("What team would you like to check for years won?");
keyboard.nextLine();
String team = keyboard.nextLine();
searchForYearsATeamWon(team);
break;
case 5://Exit
break;
default:
System.out.println("Invalid Choice");
}
}while(choice != 5);
System.out.println("Goodbye!");
}
}
=====================================================================================
//Winner.java
public class Winner {
private String team;
private int year;
private Winner()
{
}
public Winner(String team, int year)
{
this.team = team;
this.year = year;
}
public String getTeam() {
return team;
}
public int getYear() {
return year;
}
}
===============================================================================
sample output
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This is the access to the code
https://repl.it/@Teptaikorn/test
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[Java] PLEASE FIX MY CODE
I think I'm thinking in wrong way. I'm not sure what is wrong
with my code.
Here'e the problem:
Write a class SemiCircle that represents the northern half of a
circle in 2D space. A SemiCircle has center coordinates and a
radius.
Define a constructor:
public SemiCircle(int centerX, int centerY, int theRadius)
Implement the following methods:
public boolean contains(int otherX, int
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How do I separate the method into different class? I try
separate the testing and method class into 2 different class. And
when I test it, it said that the method is undefined. And it ask me
to create the method in the main class. I don't know what is the
problem.
This is the access to the code
https://repl.it/@Teptaikorn/test
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