Question 1: You have been assigned to write a program to perform an arithmetic addition and subtraction for two (2) integer numbers key-in by the user. The program should only accept the number key-in by the user as a positive number. Finally, display the result for addition and subtraction. You should write your program using an object- oriented approach.

Filename	Size	Update
Lab - Chapter 1	0	2018-02-28
Lab - Chapter 1\Activity 1	0	2018-02-26
Lab - Chapter 1\Activity 1\Arithmetic	0	2018-02-26
Lab - Chapter 1\Activity 1\Arithmetic\build	0	2018-02-26
Lab - Chapter 1\Activity 1\Arithmetic\build\built-jar.properties	120	2018-02-26
Lab - Chapter 1\Activity 1\Arithmetic\build\classes	0	2018-03-01
Lab - Chapter 1\Activity 1\Arithmetic\build\classes\.netbeans_automatic_build	0	2018-02-26
Lab - Chapter 1\Activity 1\Arithmetic\build\classes\.netbeans_update_resources	0	2018-02-26
Lab - Chapter 1\Activity 1\Arithmetic\build\classes\arithmetic	0	2018-02-26
Lab - Chapter 1\Activity 1\Arithmetic\build\classes\Arithmetic.class	1195	2018-03-01
Lab - Chapter 1\Activity 1\Arithmetic\build\empty	0	2018-02-26
Lab - Chapter 1\Activity 1\Arithmetic\build\generated-sources	0	2018-02-26
Lab - Chapter 1\Activity 1\Arithmetic\build\generated-sources\ap-source-output	0	2018-02-26
Lab - Chapter 1\Activity 1\Arithmetic\build.xml	3615	2018-02-26
Lab - Chapter 1\Activity 1\Arithmetic\manifest.mf	85	2018-02-26
Lab - Chapter 1\Activity 1\Arithmetic\nbproject	0	2018-02-26
Lab - Chapter 1\Activity 1\Arithmetic\nbproject\build-impl.xml	79649	2018-02-26
Lab - Chapter 1\Activity 1\Arithmetic\nbproject\genfiles.properties	475	2018-02-26
Lab - Chapter 1\Activity 1\Arithmetic\nbproject\private	0	2018-02-27
Lab - Chapter 1\Activity 1\Arithmetic\nbproject\private\private.properties	111	2018-02-26
Lab - Chapter 1\Activity 1\Arithmetic\nbproject\private\private.xml	343	2018-03-01
Lab - Chapter 1\Activity 1\Arithmetic\nbproject\project.properties	2466	2018-02-26
Lab - Chapter 1\Activity 1\Arithmetic\nbproject\project.xml	518	2018-02-26
Lab - Chapter 1\Activity 1\Arithmetic\src	0	2018-02-28
Lab - Chapter 1\Activity 1\Arithmetic\src\Arithmetic.java	931	2018-03-01
Lab - Chapter 1\Activity 1\Arithmetic\test	0	2018-02-26
Lab - Chapter 1\Activity 2	0	2018-02-28
Lab - Chapter 1\Activity 2\Arithmetic	0	2018-02-27
Lab - Chapter 1\Activity 2\Arithmetic\build	0	2018-02-27
Lab - Chapter 1\Activity 2\Arithmetic\build\built-jar.properties	120	2018-02-27
Lab - Chapter 1\Activity 2\Arithmetic\build\classes	0	2018-02-27
Lab - Chapter 1\Activity 2\Arithmetic\build\classes\.netbeans_automatic_build	0	2018-02-27
Lab - Chapter 1\Activity 2\Arithmetic\build\classes\.netbeans_update_resources	0	2018-02-27
Lab - Chapter 1\Activity 2\Arithmetic\build\classes\arithmetic	0	2018-02-27
Lab - Chapter 1\Activity 2\Arithmetic\build\classes\arithmetic\Arithmetic.class	1026	2018-02-27
Lab - Chapter 1\Activity 2\Arithmetic\build\classes\arithmetic\ArithmeticTest.class	1265	2018-02-27
Lab - Chapter 1\Activity 2\Arithmetic\build\empty	0	2018-02-27
Lab - Chapter 1\Activity 2\Arithmetic\build\generated-sources	0	2018-02-27
Lab - Chapter 1\Activity 2\Arithmetic\build\generated-sources\ap-source-output	0	2018-02-27
Lab - Chapter 1\Activity 2\Arithmetic\build.xml	3615	2018-02-26
Lab - Chapter 1\Activity 2\Arithmetic\manifest.mf	85	2018-02-26
Lab - Chapter 1\Activity 2\Arithmetic\nbproject	0	2018-02-26
Lab - Chapter 1\Activity 2\Arithmetic\nbproject\build-impl.xml	79649	2018-02-26
Lab - Chapter 1\Activity 2\Arithmetic\nbproject\genfiles.properties	475	2018-02-26
Lab - Chapter 1\Activity 2\Arithmetic\nbproject\private	0	2018-02-27
Lab - Chapter 1\Activity 2\Arithmetic\nbproject\private\private.properties	111	2018-02-26
Lab - Chapter 1\Activity 2\Arithmetic\nbproject\private\private.xml	343	2018-03-01
Lab - Chapter 1\Activity 2\Arithmetic\nbproject\project.properties	2466	2018-02-26
Lab - Chapter 1\Activity 2\Arithmetic\nbproject\project.xml	518	2018-02-26
Lab - Chapter 1\Activity 2\Arithmetic\src	0	2018-02-26
Lab - Chapter 1\Activity 2\Arithmetic\src\arithmetic	0	2018-02-27
Lab - Chapter 1\Activity 2\Arithmetic\src\arithmetic\Arithmetic.java	1000	2018-02-27
Lab - Chapter 1\Activity 2\Arithmetic\src\arithmetic\ArithmeticTest.java	890	2018-02-27
Lab - Chapter 1\Activity 2\Arithmetic\test	0	2018-02-27
Lab - Chapter 1\Activity 3	0	2018-02-28
Lab - Chapter 1\Activity 3\Rectangle	0	2018-02-28
Lab - Chapter 1\Activity 3\Rectangle\build	0	2018-02-28
Lab - Chapter 1\Activity 3\Rectangle\build\classes	0	2018-02-28
Lab - Chapter 1\Activity 3\Rectangle\build\classes\.netbeans_automatic_build	0	2018-02-28
Lab - Chapter 1\Activity 3\Rectangle\build\classes\.netbeans_update_resources	0	2018-02-28
Lab - Chapter 1\Activity 3\Rectangle\build\classes\rectangle	0	2018-02-28
Lab - Chapter 1\Activity 3\Rectangle\build\classes\rectangle\Rectangle.class	512	2018-02-28
Lab - Chapter 1\Activity 3\Rectangle\build\classes\rectangle\RectangleTest.class	895	2018-02-28
Lab - Chapter 1\Activity 3\Rectangle\build.xml	3612	2018-02-28
Lab - Chapter 1\Activity 3\Rectangle\manifest.mf	85	2018-02-28
Lab - Chapter 1\Activity 3\Rectangle\nbproject	0	2018-02-28
Lab - Chapter 1\Activity 3\Rectangle\nbproject\build-impl.xml	79644	2018-02-28
Lab - Chapter 1\Activity 3\Rectangle\nbproject\genfiles.properties	475	2018-02-28
Lab - Chapter 1\Activity 3\Rectangle\nbproject\private	0	2018-02-28
Lab - Chapter 1\Activity 3\Rectangle\nbproject\private\private.properties	111	2018-02-28
Lab - Chapter 1\Activity 3\Rectangle\nbproject\private\private.xml	343	2018-03-01
Lab - Chapter 1\Activity 3\Rectangle\nbproject\project.properties	2463	2018-02-28
Lab - Chapter 1\Activity 3\Rectangle\nbproject\project.xml	517	2018-02-28
Lab - Chapter 1\Activity 3\Rectangle\src	0	2018-02-28
Lab - Chapter 1\Activity 3\Rectangle\src\rectangle	0	2018-02-28
Lab - Chapter 1\Activity 3\Rectangle\src\rectangle\Rectangle.java	397	2018-02-28
Lab - Chapter 1\Activity 3\Rectangle\src\rectangle\RectangleTest.java	345	2018-02-28
Lab - Chapter 1\Activity 3\Rectangle\test	0	2018-02-28
Lab - Chapter 1\Activity 4	0	2018-02-28
Lab - Chapter 1\Activity 4\Account	0	2018-02-28
Lab - Chapter 1\Activity 4\Account\build	0	2018-02-28
Lab - Chapter 1\Activity 4\Account\build\classes	0	2018-02-28
Lab - Chapter 1\Activity 4\Account\build\classes\.netbeans_automatic_build	0	2018-02-28
Lab - Chapter 1\Activity 4\Account\build\classes\.netbeans_update_resources	0	2018-02-28
Lab - Chapter 1\Activity 4\Account\build\classes\account	0	2018-03-01
Lab - Chapter 1\Activity 4\Account\build\classes\account\Account.class	969	2018-02-28
Lab - Chapter 1\Activity 4\Account\build\classes\account\AccountTest.class	1052	2018-03-01
Lab - Chapter 1\Activity 4\Account\build.xml	3606	2018-02-28
Lab - Chapter 1\Activity 4\Account\manifest.mf	85	2018-02-28
Lab - Chapter 1\Activity 4\Account\nbproject	0	2018-02-28
Lab - Chapter 1\Activity 4\Account\nbproject\build-impl.xml	79634	2018-02-28
Lab - Chapter 1\Activity 4\Account\nbproject\genfiles.properties	475	2018-02-28
Lab - Chapter 1\Activity 4\Account\nbproject\private	0	2018-02-28
Lab - Chapter 1\Activity 4\Account\nbproject\private\private.properties	111	2018-02-28
Lab - Chapter 1\Activity 4\Account\nbproject\private\private.xml	343	2018-04-11
Lab - Chapter 1\Activity 4\Account\nbproject\project.properties	2457	2018-02-28
Lab - Chapter 1\Activity 4\Account\nbproject\project.xml	515	2018-02-28
Lab - Chapter 1\Activity 4\Account\src	0	2018-02-28
Lab - Chapter 1\Activity 4\Account\src\account	0	2018-03-01
Lab - Chapter 1\Activity 4\Account\src\account\Account.java	807	2018-02-28

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