Java Exercises: Find the number of bits required to flip to convert two given integers
Java Basic: Exercise-147 with Solution
Write a Java program to find the number of bits required to flip to convert two given integers.
Example: 27 --> 11011
23--> 10111
Sample Solution:
Java Code:
public class Solution {
public static void main(String[] args) {
System.out.println(bitSwapRequired(27, 23));
}
public static int bitSwapRequired(int x, int y) {
int ctr = 0;
for (int z = x ^ y; z != 0; z = z >>> 1) {
ctr += z & 1;
}
return ctr;
}
}
Sample Output:
2
Flowchart:
Java Code Editor:
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Previous: Write a Java program to convert an sorted array to binary search tree. Maintain minimal height of the tree.
Next: Write a Java program to find the index of the first unique character in a given string, assume that there is at least one unique character in the string.
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Java: Tips of the Day
How to sort an ArrayList?
Collections.sort(testList); Collections.reverse(testList);
That will do what you want. Remember to import Collections though!
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