How to echo error from foreach loop?

Foreach not applicable to expression type - why am I getting this?

• public static double[] adjustFrequency(double[] samples, double factor) { int newSamplesIndex = 0; double samplesIndex = 0; double[] newSamples = new double[samples.length]; for (int n : newSamplesIndex) if (n < newSamples.length-1) { newSamples[newSamplesIndex] = samples[(int)samplesIndex]; samplesIndex =+ factor; } return newSamples; } This method is part of a compsci assignment that does a series of operations on arrays, I need to use a foreach loop but I keep getting the error "Foreach not applicable to expression type". Any thoughts?

• Answer:

  your calling foreach on a regular int. proper use for(int n : intarray) My best guess is you wanted to do something like for(double d : newSamples) { if (d ... etc }