i need help with a fileio problem. Iron man can only carry those who weigh less

Question

i need help with a fileio problem.

Iron man can only carry those who weigh less than 200 pounds. The hulk will save the rest.

The file is called "rescuse.txt." It has a list of a first name, a space, and their weight (in pounds). The very first line in the file is the number of people on the list. Here is what the file "rescue.txt" reads.

4

Dave 249

Sally 123

Pete 249

Allison 163

Sample output:

There are 4 people.

I cannot Save Dave - he needs to wait for the hulk.

I can save Sally.

I cannot save Pete - he needs to wait for the Hulk.

I can save Allison.

It says to use next() (which read the name into a String) and nextInt() (to read the names and numbers)

This is what I have so far. Please help.

inport java.io.File;
import java.util.Scanner;
public class save {
  
public static void main(String[] args) throws Exception {

File myFile = new File("rescue.txt"); //declare a variable of type File
Scanner fileRead = new Scanner(myFile); //and open a file for reading

int sum =0;
int count =0;
int number;

count = fileIn.next.Int(); //Read in the number of elements in the file
System.out.println("There are " + count + "items in the file");
number = fileIn.nextInt(); //// "prime the pump" - read in the first value

Explanation / Answer

/**
* The java program that reads a text file called
* "rescue.txt" that cotains the data values.
* Read the name and weight and check if the wieght
* is greater than 200 then print that he need to wait
* for hulk otherwise I can save that name.
* */
//Save.java
import java.io.File;
import java.io.FileNotFoundException;
import java.util.Scanner;
public class Save
{
   public static void main(String[] args) throws Exception
   {

//use try-catch block to catch the exception if not found

       try
       {
           //create an object of File and
           //add a Scanner object to file to read input of file
           File myFile = new File("rescue.txt"); //declare a variable of type File
           Scanner fileRead = new Scanner(myFile); //open a file for reading
           //To read name
           String name;
           //To read wight
           int weight;
           //To store the count of people in the file
           int count =0;

           //index to track number of people in the file
           int index=0;

           //Read in the number of elements in the file
           count = Integer.parseInt(fileRead.nextLine());

           System.out.println("There are " + count + " people");

           while(fileRead.hasNextLine()&& index<count)
           {
               //read name
               name = fileRead.next();
               //read weight in pounds
               weight=fileRead.nextInt();

               if(weight<200)
                   System.out.println("I can save "+name+".");                  
               else
                   System.out.println("I cannot Save "+name+" - he needs to wait for the hulk.");
               //increment the count
               count++;

           }
       }
       //catch the exception if file not found
       catch (FileNotFoundException e)
       {
           System.out.println("File not found");
       }
  
   }
}

//sample input
//rescue.txt
4
Dave 249
Sally 123
Pete 249
Allison 163

//sample output:
There are 4 people
I cannot Save Dave - he needs to wait for the hulk.
I can save Sally.
I cannot Save Pete - he needs to wait for the hulk.
I can save Allison.

Note : input file "rescue.txt" must be in the current working directory otherwiser specify the path where the file is located in File object.

Hope this helps you...

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