/*This assignment is to create 2 parallel arrays – jobs& salaries
*Read file from “careers.txt” into arrays
*one line – job
*next line –salary
*Sort Salaries {from highest}
*then swap jobs if salary swapped
*Display output of careers and salaries from the highest on a formatted table.
*
*/
package assignment7;
import java.util.*;//importing Scanner
public class Coordinator
{
public static void main(String[] args) throws Exception
{// the main method creates the arrays and calls on each method to perform
//its work.
String [] job = new String[20];//creating a string array having 20 spaces
int[] salary = new int[20];//creating an integer array having 20 spaces
int count;// number of spaces actually occupied in the array
**count = readFile(job, salary);**// calling a method to read text into both
//arrays and return the number of spaces
//occupied in the array
sorter(job,salary,count);// calling on method to arrange file from highest
//to lowest
display(job, salary,count);// calling on method present the output
}
public static int readFile(String[] jobber, int[] salaro) throws Exception
{ // this method reads a text file and copies into arrays and also
//returns the number of spaces occupied in the array
int n = 0; //keeps track of number of times a line is fed into an
//array
//set up a file class object linked up to the name of the file to
//be read
java.io.File unread = new java.io.File("career.txt");
// create a scanner instance to read the input from the file
Scanner infile = new Scanner(unread);
/*This while loop reads line of text into the arrays, it uses
* boolean
* function hasNextLine() and the created scanner instance.
*/
while (infile.hasNextLine() || infile.hasNextInt())
{
jobber[n] = infile.nextLine();
**salaro[n] = infile.nextInt()**;
n++;
}//end while
infile.close();//close scanner class
return n;// return number of spaces filled
}//end of readFile method
public static void sorter(String[] jobestic, int[] salawe, int z)
throws Exception
{// this method sorts the array from the highest paid job to the lowest.
boolean swapped;// keeps track of when a swap takes place
int i;// variable fo for loop
int temp;// helps in swap
String temp2;// helps in swap
do
{
swapped = false;
for (i= 0; i < z-1; i++)// a pass through the array
{
if (salawe[i+1] > salawe[i])
// if the number before it is less they swap
{
//swap starts
temp = salawe[i+1];
salawe[i+1] = salawe[i];
salawe[i] = temp;
//swaps the jobs too if the salary is swapped
temp2 = jobestic[i+1];
jobestic[i+1] = jobestic[i];
jobestic[i] = temp2;
swapped = true;
}// end if
}// end for
} while (swapped);
}// end sorter method
public static void display(String[] jobo, int[] salary5 ,int k) throws Exception
{
//this method displays the output as a formatted table
int i;
System.out.printf("%-60s%15s%n", "Job", "Salary");
for(i=0; i<k; i++)
System.out.printf("%-60s%,15d%n", jobo[i], salary5[i]);
}
}
请问各位大侠,这段代码有什么问题吗?我一遍又一遍地绞尽脑汁,无法弄清楚出了什么问题……我运行了这段代码,但我不断收到错误……错误总是用粗体表示。我试图从中读取的文本文件如下。我想将职位名称存储在一个数组中,并将相应的薪水存储在另一个数组中。像并行数组。请问代码有什么问题?我想将薪水存储为整数,因为我在呈现输出时已将其格式化为整数。谢谢你。
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错误:
Exception in thread "main" java.util.InputMismatchException
at java.util.Scanner.throwFor(Scanner.java:909)
at java.util.Scanner.next(Scanner.java:1530)
at java.util.Scanner.nextInt(Scanner.java:2160)
at java.util.Scanner.nextInt(Scanner.java:2119)
at assignment7.Coordinator.readFile(Coordinator.java:56)
at assignment7.Coordinator.main(Coordinator.java:25)