Exercises1.md

Exercises

1. Sorting Strings

   Create a list of strings. Sort them alphabetically. Sort them by length. Sort them by length in descending order.

   Advanced: Sort by length, then sort equal length strings alphabetically

2. Processing a list of numbers

   Create a list of numbers. Add them together. First double each number, then add them up. Compute their average.

3. Reading a web page

   Using the Groovy JDK, access your home page and display the source code. Print the length of each line of the home page.

4. Closures as a filter

   Create a list of numbers. Print all elements greater than zero.

5. Multi-line strings

   Make a multi-line string. Compute the number of vowels on each line.

6. Padded binary output

   Print the numbers from 0 to 15 in binary (use Java's Integer.toBinaryString() method). Use a method in String from the Groovy JDK to make all the output values have four digits.