Stuff

import java.util.Arrays;
import java.util.List;

public class Eric {
	
	public static void main(String[] args) {
		
		/** looping through array an array **/
		String [] myValues = {"1", "2", "3", "4", "5"};
		String valueCollector = "";
		for(int x=0;x<myValues.length;x++){
			valueCollector = valueCollector + ", " + myValues[x];
		}
		System.out.println("Values in simple loop=" + valueCollector);
		
		/** Java 1.5 foreach style loop **/
		valueCollector = "";
		for(String temp : myValues){
			valueCollector = valueCollector + ", " + temp;
		}
		System.out.println("Values in foreach loop=" + valueCollector);
		
		/** Turn primitive array into Array List
		 * notice when I define the List (which is an interace)
		 * I tell it the receiving type in the List is
		 * String because the Array is of Strings
		 *  **/
		valueCollector = "";
		List<String> keyValues = Arrays.asList(myValues);
		for(String temp : keyValues){
			valueCollector = valueCollector + ", " + temp;
		}
		System.out.println("Values using java.util.Arrays loop=" + valueCollector);
		
		/** Since List is a known collection it has an internal toString()
		 * you can skip the actual loop since some wrote it inside the List.toString() **/
		System.out.println("Values using java.util.Arrays NO LOOP=" + keyValues);
	}

}