You have the following variable declarations:

SimpleReader in = new

SimpleReader1L(); SimpleWriter out = new SimpleWriter1L();

Write program fragments (i. e., you do not need to write complete programs) that read a line of input as a String and print:

Only the uppercase letters in the String

Every second letter of the String

The String with all vowels replaced by an underscore

The number of vowels in the String

The positions of all vowels in the String

Type the correct answer in the box. spell all words correctly. under which key category do the page up and page down keys fall? page up and page down keys fall under the keys category.

Answer the following questions regarding your system by using the commands listed in this chapter. for each question, write the command you used to obtain the answer. a. what are the total number of inodes in the root filesystem? how many are currently utilized? how many are available for use? b. what filesystems are currently mounted on your system? c. what filesystems are available to be mounted on your system? d. what filesystems will be automatically mounted at boot time?

Write a fragment of code that reads in strings from standard input, until end-of-file and prints to standard output the largest value. you may assume there is at least one value. (cascading/streaming logic, basic string processing)