// x g-x o-2 k-inf1000/h06import easyIO.*;public class ruritania { public static void main(String[] args) { /* * Start with declaring variables and constants * that are needed throughout the application */ boolean inUse = true; // Use this to loop program until termination is requested boolean oilExtracted = false; // Use this to determine if any oil has been extracted In input = new In(); // Handle for data input Out output = new Out(); // Handle for data output int menu = 0; // Set a default menu value that does not exist, to force the default case of the switch int submenu = 0; // Same as above, for submenu int rowCarrier = 0; // Used to carry local row variable out to other submenu case int colCarrier = 0; // Same as above final int width = 3; // The constant width of each field in printed formatted table throughout the app final int rows = 15; // The constant size of the oilfield final int columns = 25; // Same as above final String ruler = "================================================="; // Just a horisontal ruler for visual formatting final String ruler2 = "-------------------------------------------------"; // Same as above /* * "pause" is just an empty variable to allow pausing of program. * This renders a warning which is silenced with @SupressWarnings("unused") */ @SuppressWarnings("unused") String pause = "0"; /* * Finally, declare the main arrays for data storage. * This is the data which in a production environment would be saved to a flatfile or database, * so it would be saved also after application termination and restart. */ String[][] company = new String[rows][columns]; double[][] extracted = new double[rows][columns]; while (inUse == true) { // Loop until menuoption "8) Avslutt" is chosen switch (menu) { // *** Buy field *** case 1 : // Check for available fields to buy boolean allSold = true; for (int r=0; r<rows; r++){ for (int c=0; c<columns; c++) { if (company[r][c] == null) { allSold = false; } } } if (allSold == false) { // There are fields available for purchase, now prompt user for which is wanted output.outln("\n\n> Kj0p et felt \n" + ruler2); output.out("Oppgi 0nsket radnr (0-" + (rows-1) + "): "); int row = input.inInt(); output.out("Oppgi 0nsket kolnr (0-" + (columns-1) + "): "); int col = input.inInt(); if (row<0 || row>=rows || col<0 || col>=columns) { // Entered integers are outside field! output.out(ruler2 + "\nFEIL: Radnr maa vaere fra 0-" + (rows-1) + " og kolnr fra 0-" + (columns-1) + "!\n" + ruler2); } else { if (company[row][col] == null) { // Requested field is available, prompt user for company name String compName = "1"; boolean nameLengthOk = false; while (!nameLengthOk) { output.out("Oppgi firmanavn: "); compName = input.inLine(); if (compName.length() > 1) { // Name of company needs to be at least two characters, i.e. Q8 nameLengthOk = true; } else { output.outln(ruler2 + "\nFEIL: Firmanavn mA vaere minimum to bokstaver\n" + ruler2); nameLengthOk = false; } } company[row][col] = compName; // Purchase is ok, sell field, store values and inform user output.outln(ruler2 + "\nOK: Felt F(" + row + "," + col + ") solgt til " + company[row][col] + "\n" + ruler2); } else { // Requested field is already sold, inform user output.outln(ruler2 + "\nFEIL: Felt F(" + row + "," + col + ") er allerede solgt til " + company[row][col] + "!\n" + ruler2); } } // Send user to submenu 1 menu = 20; submenu = 1; } else { // All fields are sold, inform user output.outln(ruler2 + "\nFEIL: Beklager, alle felt er solgt.\n" + ruler2); menu = 30; } break; // *** Cancel purchase *** case 2 : // Check for available fields boolean noneSold = true; for (int r=0; r<rows; r++){ // Loop through all rows for (int c=0; c<columns; c++) { // Loop through all columns if (company[r][c] != null) { // See if field owner exists noneSold = false; } } } if (noneSold == false) { // There are sold fields, cancellation is possible output.outln("\n\n> Annnuler kj0p av felt \n" + ruler2); output.out("Oppgi 0nsket radnr (0-" + (rows-1) + "): "); int row = input.inInt(); output.out("Oppgi 0nsket kolnr (0-" + (columns-1) + "): "); int col = input.inInt(); if (row<0 || row>=rows || col<0 || col>=columns) { // Entered integers are outside field! output.out(ruler2 + "\nFEIL: Radnr maa vaere fra 0-" + (rows-1) + " og kolnr fra 0-" + (columns-1) + "!\n" + ruler2); } else { if (company[row][col] == null) { // Entered field is currently not sold output.outln(ruler2 + "\nFEIL: Feltet er ikke solgt, det er ledig for salg!\n" + ruler2); } else { // Entered field is sold, prompt for correct company name output.out("Oppgi firmanavn: "); String inCompany = (String) input.inLine(); String storedCompany = (String) company[row][col]; if (inCompany.equals(storedCompany)) { // Company name entered correctly, cancel purchase and inform user company[row][col] = null; output.outln(ruler2 + "\nOK: Salg av felt F(" + row + "," + col + ") annulert.\n" + ruler2); } else { // Entered company mismatch with stored company output.outln(ruler2 + "\nFEIL: Feltet tilh0rer ikke firmaet \"" + inCompany +"\".\n" + ruler2); } } } // Send user to submenu 2 menu = 20; submenu = 2; } else { // No fields sold, so no cancellations possible output.outln(ruler2 + "\nFEIL: Ingen felt er blitt solgt!\n" + ruler2); menu = 30; } break; // *** Create overview *** case 3 : output.outln("\n\n" + ruler); output.outln("# Oversiktskart #"); output.outln(ruler); output.out(" "); for(int i=0;i<25;i++) { output.out(i,width); // Print column headers } for(int j=0;j<15;j++) { output.out("\n" + j + " ",width+1); // Print row headers for(int i=0;i<25;i++) { // Print rest of columns in row if(company[j][i] == null) { // Field not sold, print . output.out(".",width); } else { // Field is sold, print X output.out("X",width); } } } menu = 30; break; // *** Show list of companies *** case 4 : output.outln("\n\n" + ruler); output.outln("# Firmaregister #"); output.outln(ruler); String[] list = new String[375]; // New array of size 15*25 = 375, the max possible entries int numbers = 0; // Integer to keep track of cycles for(int i=0;i<rows;i++) { for(int j=0;j<columns;j++) { if (company[i][j] != null) { boolean exists = false; for(int e=0;e<numbers;e++) { if (list[e]!= null && list[e].equals(company[i][j])){ // Check if field is owned exists = true; } } if(!exists) { list[numbers] = company[i][j]; // Store company name in the new array numbers++; // Increase cycles by one } } } } for(int k=0;k<numbers;k++) { output.out(list[k] + ":\n"); // Print the array with unique companies for(int i=0;i<rows;i++) { for(int j=0;j<columns;j++) { if(company[i][j] != null && company[i][j].equals(list[k]) ) { output.out("\tFelt F(" + i + "," + j + ")\n"); // Print every field of that company } } } } menu = 30; break; // *** Update extractions *** -- see case 10 for more case 5 : output.outln("\n\n" + ruler); output.outln("# Oppdatering utvinning #"); output.outln(ruler); output.outln("\n\n> Oppdater utvinning \n" + ruler2); output.out("Oppgi 0nsket radnr (0-" + (rows-1) + "): "); int row = input.inInt(); output.out("Oppgi 0nsket kolnr (0-" + (columns-1) + "): "); int col = input.inInt(); if (row<0 || row>rows || col<0 || col>columns) { // Entered integers are outside field! output.out(ruler2 + "\nFEIL: Radnr maa vaere fra 0-" + (rows-1) + " og kolnr fra 0-" + (columns-1) + "!\n" + ruler2); } else { if (company[row][col] == null) { output.outln(ruler2 + "\nINFO: Felt F(" + row + "," + col + ") har ingen eier!\nUtvunnet hittil: " + extracted[row][col] + " fat\n" + ruler2); } else { output.outln(ruler2 + "\nINFO: Felt F(" + row + "," + col + ") eies av " + company[row][col] + "!\nUtvunnet hittil: " + extracted[row][col] + " fat\n" + ruler2); } /* * Regardless of result of last if-block, give user possibility of registering extracted oil. * This is split into the own submenu at menu (case 10) for simplicity and reuse of code. */ rowCarrier = row; colCarrier = col; menu = 10; } break; // *** Find max *** case 6 : double maxExtracted = 0; int maxExRow = 0; int maxExCol = 0; oilExtracted = false; String maxComp = "Udefinert"; for(int i=0;i<rows;i++) { for(int j=0;j<columns;j++) { if(company[i][j] != null) { if(extracted[i][j] > 0) { oilExtracted = true; if(extracted[i][j] > maxExtracted) { maxExtracted = extracted[i][j]; maxExRow = i; maxExCol = j; maxComp = company[i][j]; } } } } } if (!oilExtracted){ output.out(ruler2 + "\nFEIL: Ingen olje utvunnet"); } else { output.outln("\n\n" + ruler); output.outln("# Maks utvinning #"); output.outln(ruler); output.out(ruler2 + "\nINFO: Maks utvinning er " + maxExtracted + " fat,\n\tutvunnet fra felt F(" + maxExRow + "," + maxExCol + ")\n\tFeltet eies nA av: " + maxComp + ".\n" + ruler2); } menu = 30; break; // *** Find average oil *** case 7 : double totExtracted = 0; int nrFields = 0; oilExtracted = false; for(int i=0;i<rows;i++) { for(int j=0;j<columns;j++) { if(company[i][j] != null) { // Field currently owned by company? if(extracted[i][j] > 0) { // Any oil extracted? oilExtracted = true; totExtracted = totExtracted + extracted[i][j]; // Add this fields value to total nrFields++; // Keep track of number of fields for a valid divider for average } else { oilExtracted = false; } } } } if (!oilExtracted){ output.out(ruler2 + "\nFEIL: Ingen olje utvunnet"); } else { // Oil has been extracted, output results double avgExtracted = totExtracted / nrFields; output.outln("\n\n" + ruler); output.outln("# Gjennomsnittlig utvunnet #"); output.outln(ruler); output.out(ruler2 + "\nINFO: Gjennomsnittlig utvinning per felt er "); output.out(avgExtracted, 2); output.out(".\n\tTotalt "); output.out(totExtracted, 0); output.out(" fat utvunnet over " + nrFields + " felt.\n" + ruler2); } menu = 30; break; // *** End program *** case 8 : output.outln("Avslutter program"); inUse = false; break; // *** Edit extractions *** case 10 : row = rowCarrier; col = colCarrier; output.outln("\n\n> Oppdater utvinning av felt F(" + row + "," + col + ").\nUtvunnet hittil: " + extracted[row][col] + " fat\n" + ruler2); output.out("Oppgi antall fat utvunnet siste 3 mnd: "); double lastmonths = input.inDouble(); // Add new value to already existing extracted[row][col] = extracted[row][col] + lastmonths; output.outln(ruler2 + "\nOK: Utvinning pA F(" + row + "," + col + ") oppdatert til " + extracted[row][col] + "\n" + ruler2); menu = 20; submenu = 5; break; // *** Show submenu *** case 20 : output.outln("\n\n" + ruler); output.outln("# Undermeny #"); output.outln(ruler); switch (submenu) { case 1 : output.out("1) Kj0p flere felt"); break; case 2 : output.out("1) Annuler flere kj0p"); break; case 5 : output.out("1) Oppdater utvinning av flere felt"); break; } output.out("\n2) Tilbake til hovedmeny\n"+ruler2); output.out("\nVelg kommando: "); int selected = input.inInt(); if (selected==1) { menu = submenu; } else { menu = 0; } break; // *** Output pausemenu *** case 30 : output.out("\n\n" + ruler2 + "\n> Trykk enter for A gA tilbake til startmeny"); pause = input.inLine(); // *** Output mainmenu *** default: output.outln("\n\n\n" + ruler); output.outln("# Velkommen til Ruritanias oljefeltoversikt #"); output.outln(ruler); output.outln("1) Kj0p et felt"); output.outln("2) Annuler kj0p av felt"); output.outln("3) Lag oversiktskart"); output.outln("4) Vis firmaregister"); output.outln("5) Oppdater oljeutvinning"); output.outln("6) Finn maksimal oljeutvinning"); output.outln("7) Finn gjennomsnittlig oljeutvinning"); output.outln("8) Avslutt\n" + ruler2); output.out("> Velg kommando: "); // Prompt for wanted menuoption menu = input.inInt(); } } }}