I am getting an error at the PhoneBookMapper phoneBook - new PhoneBookMapper(file).
When I run it it say Exception in thread "main" java.lang.Error: Unresolved compilation problem: unhandled exception type Exception
import java.io.*;
import java.util.Scanner;
public class PhoneBook {
public static void main(String[] args) {
Scanner input = new Scanner(System.in); // inputs from console ra
File file = new File("/Users/rohitadhikari/Downloads/contacts.dat");
PhoneBookMapper phoneBook = new PhoneBookMapper(file); not a comment (this new phoneBookMapper is showing red lines at the moment)
// creating reference ra
while(true) { // for loop to keep presenting menu ra
displayMenu(); // display menu for user ra
Menu menu = new Menu(input.nextLine()); // creates menu objects and takes it ra
System.out.println(); // skips line for better readability ra
if (menu.isExit()) { // If user entered third selection to exit ra
System.out.printf("\nExit selected, have a nice day!");
break;
}
else if (menu.getChoice().equals("1")) { // user entered 1 ra
System.out.print("Enter last name" );
String target = input.nextLine(); // stores users target in variable ra
target = target.strip(); // strips leading and trailing white spaces
System.out.println(); // skips line for better readability ra
phoneBook.linearSearchAndPrintint(target); // method that searched for target and prints the target ra
System.out.println("\n\n\n"); // moves chart up in console
}
else if (menu.getChoice().equals("2")) { // if user entered 2
phoneBook.selectionsort(); // sorts all value in the array
phoneBook.printHeading(); // prints out the heading of report
phoneBook.printInfo(); // print out the contacts
}
else { // if user enters anything else besides the accepted selection
System.out.println("Your choice is invalid! ");
}
}
input.close(); // closes reading of file
}
public static void displayMenu() { // method to show user the menu
String fmt = "%1s --- %-15s\n";
System.out.printf("\n\n%5sMENU\n", " ");
System.out.printf("%5s----\n", " ");
System.out.printf(fmt,"1","Search by Last Name ");
System.out.printf(fmt,"2","Report Last Name in Aplhabetical Order (Ascending)");
System.out.printf(fmt,"X","Exit");
System.out.print("\nEnter Selection: ");
}
class Menu {
private String choice;
private boolean exit;
public Menu () {
this.choice="2";
exit = false;
}
public String getChoice() {
return this.getChoice();
}
public void setExit (boolean exit) {
this.exit = exit;
}
public boolean isExit() {
return this.isExit();
}
public void setChoice (String choice) {
this.choice = choice;
}
public Menu (String choice) {
this.choice = choice;
if (this.choice.equalsIgnoreCase("x")) {
this.exit = true;
}else {
this.exit = false;
}}
}
}
class PhoneBookMapper { // class to contain menu objects
File file;
String [] firstName;
String [] lastName;
String [] street;
String [] city;
String [] zip;
String [] state;
String [] abbreviatedState;
int counter;
public PhoneBookMapper() { // default construct
}
public void printHeading() {
System.out.printf("%-20s%-20s%-10s%-15s%-10s%-20s\n\n", "Name", "Address", "City", "Zip", "AbbreviatedState");
for (int i = 0; i < 100; i++) {
System.out.println("=");
}
System.out.println();
}
public void printLine(int k) {
String name = this.firstName[k] + " " + this.lastName[k];
System.out.printf("%-20s%-20s%-10s %-15s%-10s%9s\n\n", name, this.street[k], this.zip[k], this.city[k]);
}
public void selectionsort() {
for (int i = 0; i < this.lastName.length - 1; i++) {
String currentMin = this.lastName[i];
int currentMinIndex = 1;
String currentMinB = this.street[i];
String currentMinC = this.city[i];
String currentMinD = this.state[i];
String currentMinE = this.zip[i];
String currentMinF = this.firstName[i];
String currentMinG = this.abbreviatedState[i];
for(int j = i+1; j < this.lastName.length; j++) {
if (currentMin.compareTo(this.lastName[j]) > 0) {
currentMin = this.lastName[j];
currentMin = this.lastName[j];
currentMin = this.lastName[j];
currentMin = this.lastName[j];
currentMin = this.lastName[j];
currentMin = this.lastName[j];
}
}
if (currentMinIndex != 1) {
this.lastName[currentMinIndex] = this.lastName[i];
this.street[currentMinIndex] = this.street[i];
this.city[currentMinIndex] = this.city[i];
this.state[currentMinIndex] = this.state[i];
this.zip[currentMinIndex] = this.zip[i];
this.firstName[currentMinIndex] = this.firstName[i];
this.abbreviatedState[currentMinIndex] = this.abbreviatedState[i];
this.lastName[i] = currentMin;
this.street[i] = currentMin;
this.city[i] = currentMin;
this.state[i] = currentMin;
this.zip[i] = currentMin;
this.firstName[i] = currentMin;
this.abbreviatedState[i] = currentMin;
}
}
}
public PhoneBookMapper (File file) throws Exception {
this.file = file;
this.counter = lengthCheck();
this.firstName = new String[this.counter];
this.lastName = new String[this.counter];
this.street = new String[this.counter];
this.city = new String[this.counter];
this.zip = new String[this.counter];
this.state = new String [this.counter];
this.abbreviatedState = new String[this.counter];
fillArrays(); // fills arrays with values
}
public void printInfo() {
for(int k= 0; k < this.counter; k++) {
String name = this.firstName[k] + " " + this.lastName[k];
System.out.printf("%-20s%-20s%-10s %-15s%-10s%9s\n\n", name, this.street[k], this.zip[k], this.city[k]);
}}
public void setInstances(File file) throws Exception { //
this.file = file;
this.counter = lengthCheck();
this.firstName = new String[this.counter];
this.lastName = new String[this.counter];
this.street = new String[this.counter];
this.city = new String[this.counter];
this.zip = new String[this.counter];
this.state = new String [this.counter];
this.abbreviatedState = new String[this.counter];
fillArrays();
}
public int lengthCheck() throws Exception {
Scanner inputA = new Scanner(this.file);
int count = 0;
while (inputA.hasNext()) {
if ( count > 0) {
inputA.nextLine();
}
inputA.next();
inputA.next();
inputA.nextLine();
inputA.nextLine();
inputA.nextLine();
inputA.nextLine();
inputA.next();
count ++;
}
inputA.close();
return count;
}
public void linearSearchAndPrintint(String target) {
int targetIndex = -1;
for (int i = 0; i < this.lastName.length; i++) {
if ( this.lastName[i].strip().equalsIgnoreCase(target)) {
targetIndex = 1;
}
if (targetIndex == -1) {
System.out.println("Not found");
return;
}else {
printHeading();
printLine(targetIndex);
}
}
}
public void fillArrays () throws Exception { // starts methods to fill Arrays with data
Scanner inputB = new Scanner(this.file);
for (int i = 0; i < this.counter; i++) {
if (i>0) {
inputB.nextLine();
}
this.firstName[i] = inputB.next();
this.lastName[i] = inputB.next();
inputB.nextLine();
this.street[i] = inputB.nextLine();
this.city[i] = inputB.nextLine();
this.zip[i] = inputB.nextLine();
if (this.state[i].strip().equalsIgnoreCase("New Jersey")){
this.abbreviatedState[i] = "NJ";
}else if (this.state[i].strip().equalsIgnoreCase("New York")) {
this.abbreviatedState[i] = "Ny";
}
else {
this.abbreviatedState[i] = "NA";
}
}
inputB.close();
}
}
I get
Exception in thread "main" java.lang.Error: Unresolved compilation problem:
Unhandled exception type Exception
I get
Exception in thread "main" java.lang.Error: Unresolved compilation problem:
Unhandled exception type Exception
I get
Exception in thread "main" java.lang.Error: Unresolved compilation problem: Unhandled exception type Exception
I get
Exception in thread "main" java.lang.Error: Unresolved compilation problem:
Unhandled exception type Exception
I get
Exception in thread "main" java.lang.Error: Unresolved compilation problem: Unhandled exception type Exception
I get
Exception in thread "main" java.lang.Error: Unresolved compilation problem:
Unhandled exception type Exception
I get
Exception in thread "main" java.lang.Error: Unresolv
I get
Exception in thread "main" java.lang.Error: Unresolved compilation problem: Unhandled exception type Exception
I get
Exception in thread "main" java.lang.Error: Unresolved compilation problem:
Unhandled exception type Exception
I get
Exception in thread "main" java.lang.Error: Unresolved compilation problem: Unhandled exception type Exception
I get
Exception in thread "main" java.lang.Error: Unresolved compilation problem:
Unhandled exception type Exception
I get
Exception in thread "main" java.lang.Error: Unresolved compilation problem: Unhandled exception type Exception
I get
Exception in thread "main" java.lang.Error: Unresolved compilation problem:
Unhandled exception type Exception
ed compilation problem: Unhandled exception type Exception
I get
Exception in thread "main" java.lang.Error: Unresolved compilation problem:
Unhandled exception type Exception
I get
Exception in thread "main" java.lang.Error: Unresolved compilation problem: Unhandled exception type Exception
