Difference between revisions of "Java/C2/Relational-Operations/Gujarati"

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|  00:39
 
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| Relational operators are used to check for conditions.
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| રીલેશનલ ઓપરેટરો કન્ડીશન ચકાસવા માટે ઉપયોગ થાય છે.
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+
  
 
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| 00:43
 
| 00:43
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| Their output is a variable of boolean data type
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| તેમનું આઉટપુટ બુલિયન ડેટા ટાઇપનું વેરિયેબલ છે
  
  
 
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| 00:48
 
| 00:48
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| A  boolean data type is of size  1 bit 
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| બુલિયન ડેટા ટાઇપ 1 બીટ માપનું છે
  
  
 
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| 00:51
 
| 00:51
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| It stores only two values.
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| તે માત્ર બે વેલ્યુઝ સંગ્રહે છે.
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+
  
 
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| 00:54
 
| 00:54
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|  '''True '''or '''False. '''
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|  '''True ''' અથવા '''False. '''
  
  
 
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| 00:56
 
| 00:56
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|  '''True''' is the output when the condition is true.
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| કન્ડીશન સાચી હોય ત્યારે '''True''' આવે છે.
  
  
 
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| 00:59
 
| 00:59
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|  '''False''' is the output if the condition is not true.  
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|  કન્ડીશન ખોટી હોય ત્યારે '''False''' આવે છે.
  
 
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|  01:06
 
|  01:06
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|   Here is a list of the Relational operators available.
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| અહીં ઉપલબ્ધ રીલેશનલ ઓપરેટરોની યાદી છે.
  
  
 
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| 01:10
 
| 01:10
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|  * greater than
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|  * ગ્રેટર ધેન
 
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| 01:12
 
| 01:12
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|  * less than
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|  * લેસ ધેન
 
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| 01:13   
 
| 01:13   
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|  * equal to
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|  * ઇકવલ ટુ
 
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| 00:14
 
| 00:14
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|  * greater than or equal to
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|  * ગ્રેટર ધેન ઓર ઇકવલ ટુ
 
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| 01:15
 
| 01:15
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|  * less than or equal to
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|  * લેસ ધેન ઓર ઇકવલ ટુ
 
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| 01:17
 
| 01:17
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|  * not equal to
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|  * નોટ ઇકવલ ટુ
  
 
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| 01:19
 
| 01:19
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|  We shall look into each of them in detail.
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|  આપણે તે દરેકને વિગતવાર જોશું.
  
 
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|01:22  
 
|01:22  
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|  Switch to Eclipse.
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|  એક્લીપ્સ ઉપર જાઓ.
  
 
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|01:27   
 
|01:27   
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|   Here we have the '''Eclipse IDE '''and the skeleton required for the rest of the code.
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| અહીં આપણી પાસે '''Eclipse IDE ''' અને બાકીના કોડ માટે જરૂરી માળખું છે.
  
  
 
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| 01:33
 
| 01:33
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| I have created a class '''BooleanDemo''' and added the '''Main''' method.
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| મેં '''BooleanDemo''' ક્લાસ બનાવ્યો છે અને '''Main''' મેથડ ઉમેર્યી છે.
  
  
 
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|-
 
| 01:38
 
| 01:38
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| Now let us add some expressions.
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| હવે ચાલો કેટલાક એક્સ્પ્રેશનો ઉમેરિયે.
  
 
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| 01:41   
 
| 01:41   
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|  Type '''boolean b ; '''
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|  ટાઇપ કરો, '''boolean b ; '''
  
  
 
|-
 
|-
 
| 01:47
 
| 01:47
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|  The keyword '''boolean''' declares the data type of the variable '''b''' as '''boolean.'''
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|  The keyword '''boolean''' declares the data type of the variable '''b''' as '''boolean.
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+
  
 
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|-

Revision as of 12:49, 31 July 2013

Time' Narration
00:01 જાવામાં રીલેશનલ ઓપરેટર્સ પરના સ્પોકન ટ્યુટોરીયલમાં તમારું સ્વાગત છે.
00:07 આ ટ્યુટોરીયલમાં આપણે શીખીશું,
00:09 boolean ડેટા ટાઇપ
00:10 રીલેશનલ ઓપરેટર અને
00:12 રીલેશનલ ઓપરેટરના ઉપયોગથી ડેટા કેવી રીતે સરખાવવું.
00:17 આ ટ્યુટોરીયલ માટે હું,

Ubuntu 11.10,

JDK 1.6 અને

Eclipse 3.7 નો ઉપયોગ કરી રહ્યી છું.

00:26 આ ટ્યુટોરીયલ અનુસરવા માટે, તમને જવામાં ડેટા ટાઇપનું જ્ઞાન હોવું જરૂરી છે.
00:31 જો નહિં, તો સંબંધિત ટ્યુટોરિયલ્સ માટે, નીચે આપેલ અમારી વેબસાઇટ જુઓ.
00:39 રીલેશનલ ઓપરેટરો કન્ડીશન ચકાસવા માટે ઉપયોગ થાય છે.
00:43 તેમનું આઉટપુટ બુલિયન ડેટા ટાઇપનું વેરિયેબલ છે


00:48 બુલિયન ડેટા ટાઇપ 1 બીટ માપનું છે


00:51 તે માત્ર બે વેલ્યુઝ સંગ્રહે છે.
00:54 True અથવા False.


00:56 કન્ડીશન સાચી હોય ત્યારે True આવે છે.


00:59 કન્ડીશન ખોટી હોય ત્યારે False આવે છે.
01:06 અહીં ઉપલબ્ધ રીલેશનલ ઓપરેટરોની યાદી છે.


01:10 * ગ્રેટર ધેન
01:12 * લેસ ધેન
01:13 * ઇકવલ ટુ
00:14 * ગ્રેટર ધેન ઓર ઇકવલ ટુ
01:15 * લેસ ધેન ઓર ઇકવલ ટુ
01:17 * નોટ ઇકવલ ટુ
01:19 આપણે તે દરેકને વિગતવાર જોશું.
01:22 એક્લીપ્સ ઉપર જાઓ.
01:27 અહીં આપણી પાસે Eclipse IDE અને બાકીના કોડ માટે જરૂરી માળખું છે.


01:33 મેં BooleanDemo ક્લાસ બનાવ્યો છે અને Main મેથડ ઉમેર્યી છે.


01:38 હવે ચાલો કેટલાક એક્સ્પ્રેશનો ઉમેરિયે.
01:41 ટાઇપ કરો, boolean b ;


01:47 The keyword boolean declares the data type of the variable b as boolean.
01:53 We shall store the result of our condition in b.
01:5 We shall define a variable weight and check for a condition using that variable.


02:05 int weight equal to 45;


02:13 We shall check if the value in weight is greater than 40.


02:18 b equal to weight greater than 40;


02:28 This statement says check if the value of variable is greater than 40 and store the result in b;


02:37 Now Let us print the value of b.


02:41 System dot out dot println(b);


02:49 Save and Run.
02:59 As we can see, the output is True.
03:02 Let us see what happens if the value is less than 40.


03:07 Change weight to 30.


03:12 Save and run
03:20 We can see that the output is False as expected.
03:24 This way, the greater than symbol is used to check if one value is greater than the other.


03:30 Similarly, less than symbol is used to check if one value is less than the other.
03:37 let us change thegreater than to less than symbol.


03:43 So We are checking if the value of weight is less than 40.


03:48 Save Run
03:56 As we can see, the output is True as expected.


04:01 Let us change the value of weight to 45 and see the output.


04:09 Save and Run.
04:16 We see that we get a False because the condition,


04:21 weight less than 40 is not true.


04:25 Now let us see how to check if a value is equal to another.
04:31 To do that, we use two equal to symbols.


04:35 change less than symbol to double equal to.


04:41 Save and Run
04:48 As we can see, the output is False because the value of weight is not equal to 40.
04:55 Now let us change the weight to 40 and see the output.
05:01 Save and Run.
05:08 As we can see, the output is True


05:12 This way, Double equal to is used for checking equality.


05:16 Please be careful because, often people use a single equal to symbol for checking equality.


05:22 And this gives unnecessary errors.
05:26 Next we'll see how to check for less than or equal to.


05:30 To do that, we will use a less than symbol followed by an equal to symbol.


05:35 change the double equal to to less than equal to.


05:42 Save and Run.
05:50 the output is True as expected.


05:53 Now let us change the value of weight to see if the less than check is performed.
05:59 Change 40 to 30.
06:04 Save and Run.


06:14 We see, that although the weight is not equal to 40 we get the output as True because it is less than 40.


06:22 Let us see what happens if the value of weight is greater than 40.
06:274 Let say 50. Save and Run.
06:39 As we can see, the output is False because the value of weight is not equal to 40.


06:44 And it also not less than 40.
06:48 Similarly we use a greater than symbol followed by an equal to symbol for checking greater than or equal to.


06:55 Let us try it.
06:57 Change less than equal to to greater than equal to


07:04 Save and Run.


07:10 As we can see, the output is true because weight is greater than 40
07: 16 Let us change weight to a value less than 40. Lets say 30.


07:25 Save and Run.
07:32 We get a false because the value of weight is not greater than 40 and also not equal to 40.
07:39 Next, we’ll see how to check for not equal to


07:46 It is done by using an exclamation mark followed by an equal to symbol.


07:53 Change greater than to exclamation


07:59 So this statement says check if the value of weight is not equal to 40 and store the result in b


08:08 Save and Run
08:16 As we can see, the output is true because the values of weight is not equal to 40.
08:23 Let us change the weight to 40 and see the output.
08:28 Change 30to 40.
08:31 Save. Run.
08:38 We get a false because the condition weight not equal to 40 is false.
08:45 The not equal to condition can be thought of as opposite of equal to condition.
08:50 This is how we use the various relational operators to compare data in Java.
08:58 This brings us to the end of this tutorial.


09:01 In this tutorial we have learnt, about the boolean data type
09:06 The relational operators and
09:08 how to use relational operators to compare two values
09:13 As an assignment for this tutorial, find out if the two expressions shown are equivalent?
09:23 To know more about the Spoken Tutorial project,


09:23 * Watch the video available at[1]
09:28 * It summarises the Spoken Tutorial project
09:31 * If you do not have good bandwidth, you can download and watch it


09:36 The Spoken Tutorial Project Team,


09:38 Conducts workshops using spoken tutorials.


09:40 Gives certificates for those who pass an online test. For more details, please write to contact AT spoken HYPHEN tutorial DOT org.
09: 50 Spoken Tutorial Project is a part of the Talk to a Teacher project.


09:54 It is supported by the National Mission on Education through ICT, MHRD, Government of India.


10:00 More information on this Mission is available at spoken HYPHEN tutorial DOT org SLASH NMEICT HYPHEN Intro
10:05 This tutorial has been contributed by TalentSprint. Thanks for joining.



Contributors and Content Editors

Gaurav, Krupali, PoojaMoolya, Pratik kamble

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