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POCommandLine Arguments in java Help
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copied!<p>I'm suppose to use Command-Line Arguments to take user input and than use an enhanced for loop to sum.</p> <p>This is the error:</p> <p>Exception in thread "main" java.lang.Error: Unresolved compilation problem: Type mismatch: cannot convert from double to int</p> <pre><code>public class EnhanceForLoop { public static void main(String[] args) { // TODO Auto-generated method stub if(args.length !=5) System.out.println(" please enter no more than 4 numbers"); else { double sum; double arrayLength = Double.parseDouble(args[0]); double [] myArray = new double [ arrayLength ]; double value = Double.parseDouble((args[1])); double counter = Double.parseDouble((args[2])); for(double num: myArray) sum += num; System.out.printf("The sum is %f ", sum); } } } </code></pre> <p>here is how it is so far:</p> <p>public class EnhanceForLoop {</p> <pre><code>public static void main(String[] args) { // TODO Auto-generated method stub if(args.length !=5) System.out.println(" please enter no more than 4 numbers"); else { double sum = 0.0; int arrayLength = Integer.parseInt(args[0]); double [] myArray = new double [ arrayLength ]; double num1 = Double.parseDouble((args[1])); double num2 = Double.parseDouble((args[2])); double num3 = Double.parseDouble((args[3])); double num4 = Double.parseDouble((args[4])); double num5 = Double.parseDouble((args[5])); for(double num: myArray) sum += num; System.out.printf("The sum is %f ", sum); } } </code></pre> <p>}</p> <hr> <p>Here is the answer:</p> <p>public class EnhanceForLoop {</p> <pre><code>public static void main(String[] args) { // TODO Auto-generated method stub if(args.length !=5) System.out.println(" please enter no more than 4 numbers"); else { double sum = 0.0; int arrayLength = Integer.parseInt(args[0]); double [] myArray = new double [ arrayLength ]; double num1 = Double.parseDouble((args[1])); double num2 = Double.parseDouble((args[2])); double num3 = Double.parseDouble((args[3])); double num4 = Double.parseDouble((args[4])); for(String s: args){ sum += Double.parseDouble(s); } System.out.println("Sum: "+sum); } } </code></pre> <p>}</p> <hr>

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