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uppose we 7o classes de as Lass A { Public class B extends A { void m1(int x ){ f(x<0) System.out.print(“negative") Else if (x==0) System.out.print(“zero") Else System.out.print(“positive") Public void m1(int x ){ If (x<0) System.out.print("negative") Else if (x==0) System.out.print(“equal") Else { System.out.print(“positive") If (x==25) System.out.print(“Bang") }

uppose we 7o classes de as Lass A { Public class B extends A { void m1(int x ){ f(x<0) System.out.print(“negative") Else if (x==0) System.out.print(“zero") Else System.out.print(“positive") Public void m1(int x ){ If (x<0) System.out.print("negative") Else if (x==0) System.out.print(“equal") Else { System.out.print(“positive") If (x==25) System.out.print(“Bang") }

Database System Concepts
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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a.For each test case, is it directly reusable for class B? Write your answer in column 4 of the above table.

b.Do you need to consider more test cases in order to test class B more thoroughly? If so, add your test cases to the above table.

G. Suppose we have two classes defined as follows: Public class A { Public class B extends A { .. Public void m1(int x ) { If (x<0) System.out, print(“negative") Else if (x=-0) System.out,print(*zero") Else Public void m1(int x ) { If (x<0) System.out print(“negative") Else if (x==0) System.out.print(“equal") Else { System out print(“positive") If (x==25) System.out,print(“Bang") } } System.out print(“positive") } }
Transcribed Image Text:G. Suppose we have two classes defined as follows: Public class A { Public class B extends A { .. Public void m1(int x ) { If (x<0) System.out, print(“negative") Else if (x=-0) System.out,print(*zero") Else Public void m1(int x ) { If (x<0) System.out print(“negative") Else if (x==0) System.out.print(“equal") Else { System out print(“positive") If (x==25) System.out,print(“Bang") } } System.out print(“positive") } }
Suppose we have already designed three test cases as shown below for class A. Expected result negative Test cases Input to method m1 Reusable for class B? 1 -2 2 zero 3 12 positive
Transcribed Image Text:Suppose we have already designed three test cases as shown below for class A. Expected result negative Test cases Input to method m1 Reusable for class B? 1 -2 2 zero 3 12 positive
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