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Thread: Weather Program

  1. #1
    PowTecH is offline Member
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    Default Weather Program

    Hello kind of hung up on a part of my code and was wondering if anyone could help me out
    Java Code:
    import java.io.*;
    import java.util.*;
    
    public class tempProgram
    {
    
    	/**
    	 * @param args
    	 */
    	public static void main(String[] args) throws FileNotFoundException
    	{
    		Scanner console = new Scanner(System.in);
    		String inputFileName = "";
    
    		System.out.print("Please enter file name");
    		inputFileName = console.next();
    		File inputFile = new File(inputFileName);
    		Scanner in = new Scanner(inputFile); 
    		PrintWriter out = new PrintWriter("outputFileName.txt"); 
    		System.out.println("outputData.txt");
    i need to use a try catch to insure that the input file is correct/available
    i tried a couple different ways to do it but each time i tried it failed really badly and i confused myself, if seeing all of the code would be of help to anyone just let me know.

  2. #2
    Junky's Avatar
    Junky is offline Grand Poobah
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    Default Re: Weather Program

    Best practices are to enclose only the code that can throw an exception with a try/catch statement. The first thing you need to do is identify what lines of code may throw exceptions. Reading the API will help or the lazy way is to just compile your code and the compiler will tell you (as long as you delete the throws clause on the main method).

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