Consider the following Java class contained in Mystery.java, and compiled:

Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
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Consider the following Java class contained in Mystery.java, and compiled:
public class Mystery {
public static void main(String[] args) {
int current = = -1:
int count = O:
while (!Stdln.isEmpty()) {
}}}
int x = stdin.readlnt():
if (x != current) {
}
if (count > 0)
count++;
% more input1.txt
0 0 0 0 1 1 1 1
StdOut.print(count);
current = x;
count = 0;
A. Assume the contents of the file input.txt are given below (note: the line starting
with % is what you type on the command line prompt / the terminal; what
follows is the actual content of the file input1.txt).
Suppose that you execute the following command. What is
standard output? Write your answer in the space provided.
% java-introcs Mystery < input1.txt
B. Repeat the previous question, but with the following input file.
% more input2.txt
0 0 0 0 1 1 1 1 0 0 0 0 1 1 1 0 0 0 1 1 1 0 1 1 1
% java-introcs Mystery < input2.txt
ted on the
Transcribed Image Text:Consider the following Java class contained in Mystery.java, and compiled: public class Mystery { public static void main(String[] args) { int current = = -1: int count = O: while (!Stdln.isEmpty()) { }}} int x = stdin.readlnt(): if (x != current) { } if (count > 0) count++; % more input1.txt 0 0 0 0 1 1 1 1 StdOut.print(count); current = x; count = 0; A. Assume the contents of the file input.txt are given below (note: the line starting with % is what you type on the command line prompt / the terminal; what follows is the actual content of the file input1.txt). Suppose that you execute the following command. What is standard output? Write your answer in the space provided. % java-introcs Mystery < input1.txt B. Repeat the previous question, but with the following input file. % more input2.txt 0 0 0 0 1 1 1 1 0 0 0 0 1 1 1 0 0 0 1 1 1 0 1 1 1 % java-introcs Mystery < input2.txt ted on the
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