Iterate through the entrySet() like so: public static void printMap(Map mp) { Iterator it = mp.entrySet().iterator(); while (it.hasNext()) { Map.Entry pair = (Map.Entry)it.next(); System.out.println(pair.getKey() + … Read more
The easiest way to for-each every char in a String is to use toCharArray(): for (char ch: “xyz”.toCharArray()) { } This gives you the conciseness of for-each construct, … Read more
I need to create a method that receives a String and also returns a String. Ex input: AAABBBBCC Ex output: 3A4B2C Well, this … Read more
When is while(true) true, and when is it false? It’s always true, it’s never false. Some people use while(true) loops and then use break to exit them … Read more
How do I access the index in a for loop? xs = [8, 23, 45] for x in xs: print(“item #{} = {}”.format(index, … Read more
I am creating a bank account program for my java class that is suppose to manage up to 5 different bank accounts. The … Read more
Use a while loop above input line as: And, use if condition to break. Also, condition for leap year is wrong in your … Read more
Looks like this is what you want int columns = 2; int rows = 2; String[][] newArray = new String[columns][rows]; newArray[0][0] = “France”; … Read more
(I have a homework question that I’ve been stuck on that concerns “do-while loops” in Java. ) It is asking me to have … Read more
Like other answerers, I’d definitely prefer to put the loops in a different method, at which point you can just return to stop … Read more