Create Comments.md

Programming/Java/Comments.md

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+A single-line comment starts with // and includes all the following text on that line. Single-line comments commonly appear after a statement on the same line.
+
+---
+
+A multi-line comment starts with /* and ends with */, where all text between /* and */ is part of the comment. A multi-line comment is also known as a block comment.
+
+---
+
+Example:
+
+```java
+
+import java.util.Scanner;
+
+/*
+   This program calculates the amount of pasta to cook, given the
+   number of people eating.
+
+   Author: Andrea Giada
+   Date:   May 30, 2017
+*/
+
+public class PastaCalculator {
+   public static void main (String [] args) {
+      Scanner scnr = new Scanner(System.in);
+      int numPeople;         // Number of people that will be eating
+      int totalOuncesPasta;  // Total ounces of pasta to serve numPeople
+
+      // Get number of people
+      System.out.println("Enter number of people: ");
+      numPeople = scnr.nextInt();
+
+      // Calculate and print total ounces of pasta
+      totalOuncesPasta = numPeople * 3;  // Typical ounces per person
+      System.out.println("Cook " + totalOuncesPasta + " ounces of pasta.");
+   }
+}
+```