Design a class name ShowRoom with the following description:

Java Programming Language (Article) (Program)

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Design a class name ShowRoom with the following description:

Instance variables / Data members:
String name — To store the name of the customer
long mobno — To store the mobile number of the customer
double cost — To store the cost of the items purchased
double dis — To store the discount amount
double amount — To store the amount to be paid after discount

Member methods:
ShowRoom() — default constructor to initialize data members
void input() — To input customer name, mobile number, cost
void calculate() — To calculate discount on the cost of purchased items, based on following criteria

Cost	Discount (in percentage)
Less than or equal to ₹10000	5%
More than ₹10000 and less than or equal to ₹20000	10%
More than ₹20000 and less than or equal to ₹35000	15%
More than ₹35000	20%

void display() — To display customer name, mobile number, amount to be paid after discount.

Write a main method to create an object of the class and call the above member methods.

Program:

<span class="kwd">import</span><span class="pln"> java</span><span class="pun">.</span><span class="pln">util</span><span class="pun">.</span><span class="typ">Scanner</span><span class="pun">;</span><span class="pln">

</span><span class="kwd">public</span><span class="pln"> </span><span class="kwd">class</span><span class="pln"> </span><span class="typ">ShowRoom</span><span class="pln">
</span><span class="pun">{</span><span class="pln">
    </span><span class="kwd">private</span><span class="pln"> </span><span class="typ">String</span><span class="pln"> name</span><span class="pun">;</span><span class="pln">
    </span><span class="kwd">private</span><span class="pln"> </span><span class="kwd">long</span><span class="pln"> mobno</span><span class="pun">;</span><span class="pln">
    </span><span class="kwd">private</span><span class="pln"> </span><span class="kwd">double</span><span class="pln"> cost</span><span class="pun">;</span><span class="pln">
    </span><span class="kwd">private</span><span class="pln"> </span><span class="kwd">double</span><span class="pln"> dis</span><span class="pun">;</span><span class="pln">
    </span><span class="kwd">private</span><span class="pln"> </span><span class="kwd">double</span><span class="pln"> amount</span><span class="pun">;</span><span class="pln">

    </span><span class="kwd">public</span><span class="pln"> </span><span class="typ">ShowRoom</span><span class="pun">()</span><span class="pln">
    </span><span class="pun">{</span><span class="pln">
        name </span><span class="pun">=</span><span class="pln"> </span><span class="str">""</span><span class="pun">;</span><span class="pln">
        mobno </span><span class="pun">=</span><span class="pln"> </span><span class="lit">0</span><span class="pun">;</span><span class="pln">
        cost </span><span class="pun">=</span><span class="pln"> </span><span class="lit">0.0</span><span class="pun">;</span><span class="pln">
        dis </span><span class="pun">=</span><span class="pln"> </span><span class="lit">0.0</span><span class="pun">;</span><span class="pln">
        amount </span><span class="pun">=</span><span class="pln"> </span><span class="lit">0.0</span><span class="pun">;</span><span class="pln">
    </span><span class="pun">}</span><span class="pln">

    </span><span class="kwd">public</span><span class="pln"> </span><span class="kwd">void</span><span class="pln"> input</span><span class="pun">()</span><span class="pln"> </span><span class="pun">{</span><span class="pln">
        </span><span class="typ">Scanner</span><span class="pln"> </span><span class="kwd">in</span><span class="pln"> </span><span class="pun">=</span><span class="pln"> </span><span class="kwd">new</span><span class="pln"> </span><span class="typ">Scanner</span><span class="pun">(</span><span class="typ">System</span><span class="pun">.</span><span class="kwd">in</span><span class="pun">);</span><span class="pln">
        </span><span class="typ">System</span><span class="pun">.</span><span class="kwd">out</span><span class="pun">.</span><span class="kwd">print</span><span class="pun">(</span><span class="str">"Enter customer name: "</span><span class="pun">);</span><span class="pln">
        name </span><span class="pun">=</span><span class="pln"> </span><span class="kwd">in</span><span class="pun">.</span><span class="pln">nextLine</span><span class="pun">();</span><span class="pln">
        </span><span class="typ">System</span><span class="pun">.</span><span class="kwd">out</span><span class="pun">.</span><span class="kwd">print</span><span class="pun">(</span><span class="str">"Enter customer mobile no: "</span><span class="pun">);</span><span class="pln">
        mobno </span><span class="pun">=</span><span class="pln"> </span><span class="kwd">in</span><span class="pun">.</span><span class="pln">nextLong</span><span class="pun">();</span><span class="pln">
        </span><span class="typ">System</span><span class="pun">.</span><span class="kwd">out</span><span class="pun">.</span><span class="kwd">print</span><span class="pun">(</span><span class="str">"Enter cost: "</span><span class="pun">);</span><span class="pln">
        cost </span><span class="pun">=</span><span class="pln"> </span><span class="kwd">in</span><span class="pun">.</span><span class="pln">nextDouble</span><span class="pun">();</span><span class="pln">
    </span><span class="pun">}</span><span class="pln">

    </span><span class="kwd">public</span><span class="pln"> </span><span class="kwd">void</span><span class="pln"> calculate</span><span class="pun">()</span><span class="pln"> </span><span class="pun">{</span><span class="pln">
        </span><span class="kwd">int</span><span class="pln"> disPercent </span><span class="pun">=</span><span class="pln"> </span><span class="lit">0</span><span class="pun">;</span><span class="pln">
        </span><span class="kwd">if</span><span class="pln"> </span><span class="pun">(</span><span class="pln">cost </span><span class="pun">&lt;=</span><span class="pln"> </span><span class="lit">10000</span><span class="pun">)</span><span class="pln">
            disPercent </span><span class="pun">=</span><span class="pln"> </span><span class="lit">5</span><span class="pun">;</span><span class="pln">
        </span><span class="kwd">else</span><span class="pln"> </span><span class="kwd">if</span><span class="pln"> </span><span class="pun">(</span><span class="pln">cost </span><span class="pun">&lt;=</span><span class="pln"> </span><span class="lit">20000</span><span class="pun">)</span><span class="pln">
            disPercent </span><span class="pun">=</span><span class="pln"> </span><span class="lit">10</span><span class="pun">;</span><span class="pln">
        </span><span class="kwd">else</span><span class="pln"> </span><span class="kwd">if</span><span class="pln"> </span><span class="pun">(</span><span class="pln">cost </span><span class="pun">&lt;=</span><span class="pln"> </span><span class="lit">35000</span><span class="pun">)</span><span class="pln">
            disPercent </span><span class="pun">=</span><span class="pln"> </span><span class="lit">15</span><span class="pun">;</span><span class="pln">
        </span><span class="kwd">else</span><span class="pln">
            disPercent </span><span class="pun">=</span><span class="pln"> </span><span class="lit">20</span><span class="pun">;</span><span class="pln">

        dis </span><span class="pun">=</span><span class="pln"> cost </span><span class="pun">*</span><span class="pln"> disPercent </span><span class="pun">/</span><span class="pln"> </span><span class="lit">100.0</span><span class="pun">;</span><span class="pln">
        amount </span><span class="pun">=</span><span class="pln"> cost </span><span class="pun">-</span><span class="pln"> dis</span><span class="pun">;</span><span class="pln">
    </span><span class="pun">}</span><span class="pln">

    </span><span class="kwd">public</span><span class="pln"> </span><span class="kwd">void</span><span class="pln"> display</span><span class="pun">()</span><span class="pln"> </span><span class="pun">{</span><span class="pln">
        </span><span class="typ">System</span><span class="pun">.</span><span class="kwd">out</span><span class="pun">.</span><span class="pln">println</span><span class="pun">(</span><span class="str">"Customer Name: "</span><span class="pln"> </span><span class="pun">+</span><span class="pln"> name</span><span class="pun">);</span><span class="pln">
        </span><span class="typ">System</span><span class="pun">.</span><span class="kwd">out</span><span class="pun">.</span><span class="pln">println</span><span class="pun">(</span><span class="str">"Mobile Number: "</span><span class="pln"> </span><span class="pun">+</span><span class="pln"> mobno</span><span class="pun">);</span><span class="pln">
        </span><span class="typ">System</span><span class="pun">.</span><span class="kwd">out</span><span class="pun">.</span><span class="pln">println</span><span class="pun">(</span><span class="str">"Amout after discount: "</span><span class="pln"> </span><span class="pun">+</span><span class="pln"> amount</span><span class="pun">);</span><span class="pln">
    </span><span class="pun">}</span><span class="pln">

    </span><span class="kwd">public</span><span class="pln"> </span><span class="kwd">static</span><span class="pln"> </span><span class="kwd">void</span><span class="pln"> main</span><span class="pun">(</span><span class="typ">String</span><span class="pln"> args</span><span class="pun">[])</span><span class="pln"> </span><span class="pun">{</span><span class="pln">
        </span><span class="typ">ShowRoom</span><span class="pln"> obj </span><span class="pun">=</span><span class="pln"> </span><span class="kwd">new</span><span class="pln"> </span><span class="typ">ShowRoom</span><span class="pun">();</span><span class="pln">
        obj</span><span class="pun">.</span><span class="pln">input</span><span class="pun">();</span><span class="pln">
        obj</span><span class="pun">.</span><span class="pln">calculate</span><span class="pun">();</span><span class="pln">
        obj</span><span class="pun">.</span><span class="pln">display</span><span class="pun">();</span><span class="pln">
    </span><span class="pun">}</span><span class="pln">
</span><span class="pun">}</span>

Output:

Enter customer name: Rumman Ansari
Enter customer mobile no: 8765465655
Enter cost: 26000
Customer Name: Rumman Ansari
Mobile Number: 8765465655
Amout after discount: 22100.0
Press any key to continue . . .

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