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- import java.io.*;
- public class MultiplyNumbersInFile {
- public static void main(String[] args) {
- String InputFilePath = "C:\\Users\\Abu Talha\\Desktop\\input.txt";
- String OutputFilePath = "C:\\Users\\Abu Talha\\Desktop\\output.txt";
- try (BufferedReader reader = new BufferedReader(new FileReader(InputFilePath));BufferedWriter writer = new BufferedWriter(new FileWriter(OutputFilePath))){
- String line;
- while((line=reader.readLine())!=null){
- String[] words = line.split("\\s+");
- for(String value : words){
- try{
- double number = Double.parseDouble(value);
- double multipliedValue = number*2;
- writer.write(multipliedValue+" ");
- }catch(NumberFormatException e){
- writer.write(value+" ");
- }
- }
- writer.newLine();
- }
- }catch(IOException e){
- e.printStackTrace();
- }
- }
- }
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