c) Analyze the following pieces of code for "class A" and "class B". These pieces of code violate the design principles. class A { public String name; public A() { name="John"; public void printname() { if (name!=null){ System.out.println(name); } } class B { public static void main() { A ob= new A(); ob.name="Mary"; System.out.printin(ob.name); } } 1. Identity and describe the violation. 2. Make suggestions to resolve the violation. 3. Write the code for better design.
c) Analyze the following pieces of code for "class A" and "class B". These pieces of code violate the design principles. class A { public String name; public A() { name="John"; public void printname() { if (name!=null){ System.out.println(name); } } class B { public static void main() { A ob= new A(); ob.name="Mary"; System.out.printin(ob.name); } } 1. Identity and describe the violation. 2. Make suggestions to resolve the violation. 3. Write the code for better design.
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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Transcribed Image Text:c) Analyze the following pieces of code for "class A" and "class B".
These pieces of code violate the design principles.
class A
{
public String name;
public A()
{
name="John";
}
public void printname()
{
if (name!=nul1){
System.out.println(name);
}
}
class B
{
public static void main()
{
A ob= new A();
ob.name="Mary";
System.out.printIn(ob.name);
}
}
1. Identity and describe the violation.
2. Make suggestions to resolve the violation.
3. Write the code for better design.
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