Find The Element That Appears Once In An Array Where Every Other Element Appears Twice in Java

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[SmartProgramming]

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[techtanzeel]

Sir, Your explannation in all videos are really appreciable♥️

[sachinraj]

Hello sir suppose if a element is present thrice then how would you cancel it with XOR like (5^5)=0 but if 5 is present three times then how it get cancelled explain please

[jajatibehera]

Outstanding.Very simple and clear.Hats-off Deepak.

[saichaithrik]

one of the greatest explanations i have seen thank you sir

[RANGER_Rajat]

Bahut se accha to yahi samajh me aata hai🤗🤗

[Vicky-jqff]

Sir, you explain very well.. Thank u so much

[nitishchauhan]

Hello Sir,
If i write two not repeated number in array this program gives different output.
int[] a={1, 5, 4, 10, 3, 2, 5, 4, 3, 2};
int res=a[0];
for(int i=1;i<a.length;i++)
{
res=res^a[i];
}
System.out.println("First not repeated element is"+res);



output is::
First not repeated element is11
Duplicate Element is : 5

[palvinderkaur]

sir...please make video on string permutation..

[omkarhandrale]

That xor logic will not apply for the array which contains more than two different elements rights ?

[saumendrasahu]

Hello Sir,
I love to learn your programming code and idea but in interview they are asking without using predefined method and function library.
W.a.p to reverse a string without using predefined method and functional library .pls help me interviewer also gave me hints like you can use ASCII code. But how ?

[vishalghanghav]

Sir, 2yrs ho gaye ab tak collections(hashmap, set) pe video nai aayi.Plss update dijiye current

[ranjitkumarshaw]

Hello sir !
Agar ek sae jaada numbers ek hi baar ho toh kaisae Katanga ?

[ayaankhan]

plz functions or methods and string manipulation pe jaldi se video banao plz sir olz

[kashifmehmood]

sir please make video on asp.net language

[RANGER_Rajat]

Sir kya ye xor string me bhi kaam karega

[sachinbhalla]

You can simply use Hass set it is to complicated solution

[Vicky-jqff]

What if there are 2 non repeating no.?

[mdimamulansari]

sir in array if we use two-digit no then output is 48 which is not present in the array
public class once
{

public static void main(String[] args)
{
int a[]= {23, 43, 23, 44, 22, 34, 34, 33};
int res=a[0];
for(int i=1;i<a.length;i++)
{
res=res^a[i];
}
System.out.println("Once elemtny is "+res);
}

}



output is 48