Added Xor Palindrome

Author: Akshat-Pandey16

Programs/Xorpalindrome.java

@@ -0,0 +1,45 @@
+//code for xorpalindrome in Java
+
+import java.util.*;
+import java.lang.*;
+import java.io.*;
+
+
+class Xorpalindrome
+{
+	public static void main (String[] args) throws java.lang.Exception
+	{
+		// your code goes here
+		BufferedReader br=new BufferedReader(new InputStreamReader(System.in));
+		BufferedWriter bw=new BufferedWriter(new OutputStreamWriter(System.out));
+		int t=Integer.parseInt(br.readLine());
+		StringBuffer sb=new StringBuffer();
+		while(t-->0)
+		{
+		    int n=Integer.parseInt(br.readLine());
+		    String s=br.readLine();
+		    int count1=0,count2=0;
+		    for(int i=0;i<s.length();i++)
+		    {
+		        if(s.charAt(i)=='1')
+		        count1++;
+		        else
+		        count2++;
+		    }
+		    boolean flag=false;
+		    if(n%2==0)
+		    {
+		        if(count1==count2||count1%2==0&&count2%2==0)
+		        flag=true;
+		    }
+		    else
+		    {
+		        flag=true;
+		    }
+		    if(flag)
+		    System.out.println("YES");
+		    else
+		    System.out.println("NO");
+		}
+	}
+}