A. Refer to the code segment below and answer the questions in the comments labelled Question i – vi. For each answer; provide a brief explanation for your answer. public class Scope |{ private int x = 2; private int x = 1; public void start() { int x = 5; int x = 2; //Question i System.out.printf( "The value of x is %d\n", x ); int x = 2; //Question ii System.out.printf( "\nThe value of x is is %d\n", x ); } // end method begin 3 public void middle() { int x = 25; //Question iii System.out.printf( "\nThe value of x is %d\n", x ); +x; //Question iv System.out.printf( "The value of x is %d\n", x ); } // end method middle public void end() { //Question v System.out.printf( "\nThe value of x is %d\n", x ); x *= 10; //Question vi System.out.printf( "The value of x is %d\n", x ); } // end method end } // end class Scope

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
Problem 1PE
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Question
A. Refer to the code segment below and answer the questions in the comments
labelled Question i – vi. For each answer; provide a brief explanation for your
answer.
public class Scope
|{
private int x = 2;
private int x = 1;
public void start()
{
int x = 5;
int x = 2;
//Question i
System.out.printf( "The value of x is %d\n", x );
int x = 2;
//Question ii
System.out.printf( "\nThe value of x is is %d\n", x );
} // end method begin
3
public void middle()
{
int x = 25;
//Question iii
System.out.printf(
"\nThe value of x is %d\n", x );
+x;
//Question iv
System.out.printf(
"The value of x is %d\n", x );
} // end method middle
public void end()
{
//Question v
System.out.printf(
"\nThe value of x is %d\n", x );
x *= 10;
//Question vi
System.out.printf(
"The value of x is %d\n", x );
} // end method end
} // end class Scope
B. The performance of an algorithm can be determined in terms of its time and
space complexity. Explain the difference between time complexity and space
complexity and make a case for which is the most efficient method for
determining the performance of an algorithm.
Activate Windows
Go to Settings to activate
Transcribed Image Text:A. Refer to the code segment below and answer the questions in the comments labelled Question i – vi. For each answer; provide a brief explanation for your answer. public class Scope |{ private int x = 2; private int x = 1; public void start() { int x = 5; int x = 2; //Question i System.out.printf( "The value of x is %d\n", x ); int x = 2; //Question ii System.out.printf( "\nThe value of x is is %d\n", x ); } // end method begin 3 public void middle() { int x = 25; //Question iii System.out.printf( "\nThe value of x is %d\n", x ); +x; //Question iv System.out.printf( "The value of x is %d\n", x ); } // end method middle public void end() { //Question v System.out.printf( "\nThe value of x is %d\n", x ); x *= 10; //Question vi System.out.printf( "The value of x is %d\n", x ); } // end method end } // end class Scope B. The performance of an algorithm can be determined in terms of its time and space complexity. Explain the difference between time complexity and space complexity and make a case for which is the most efficient method for determining the performance of an algorithm. Activate Windows Go to Settings to activate
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