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Bukola Adelakun
one dimensional array using java
1 Answer(s)      2 years and 5 months ago
Posted in : Java Beginners


design and implement a java program that will read a file containing numbers and compute the following statistics: the range(low,high) the average and the median


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February 9, 2012 at 5:07 PM


import java.io.*;
class NumbersFile 
{
    public static void main(String[] args) throws Exception
    {
        BufferedReader br=new BufferedReader(new FileReader("numbers.txt"));
        LineNumberReader reader = new LineNumberReader(new FileReader("numbers.txt"));

int data = reader.read();
 int lineNumber=0;
while(data != -1){
     lineNumber = reader.getLineNumber();
}
int array[]=new int[lineNumber];

int k=0;
String st="";
while((st=br.readLine())!=null){
    array[k]=Integer.parseInt(st);
        k++;
    }
    int low = array[0];
    int high = array[0];
    int sum=0;
    for (int i = 1; i < array.length; i++) {
        if (array[i] < low) {
            low = array[i];
        }
        if (array[i]>high) {
            high = array[i];
        }
        sum+=array[i];
    }
    System.out.println("Numbers lie between "+low+" and "+high);
    System.out.println("Average of numbers: "+(sum/array.length));
}

}


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