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docs: update the whole repository

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* fix some bugs
* delete duplicate files
* format code
This commit is contained in:
yanglbme
2019-05-09 19:32:54 +08:00
parent 163db8521a
commit 29948363da
368 changed files with 4372 additions and 30841 deletions
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53
Others/PowerOfTwoOrNot.java
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@@ -1,33 +1,36 @@
package Others;
import java.util.Scanner;
/**
*A utility to check if a given number is power of two or not.
*For example 8,16 etc.
*/
* A utility to check if a given number is power of two or not.
* For example 8,16 etc.
*/
public class PowerOfTwoOrNot {
public static void main (String[] args) {
Scanner sc = new Scanner(System.in);
System.out.println("Enter the number");
int num = sc.nextInt();
boolean isPowerOfTwo = checkIfPowerOfTwoOrNot(num);
if (isPowerOfTwo) {
System.out.println("Number is a power of two");
} else {
System.out.println("Number is not a power of two");
}
}
public static void main(String[] args) {
Scanner sc = new Scanner(System.in);
System.out.println("Enter the number");
int num = sc.nextInt();
boolean isPowerOfTwo = checkIfPowerOfTwoOrNot(num);
if (isPowerOfTwo) {
System.out.println("Number is a power of two");
} else {
System.out.println("Number is not a power of two");
}
}
/**
* Checks whether given number is power of two or not.
*
* @param number
* @return boolean
*/
public static boolean checkIfPowerOfTwoOrNot(int number) {
return number != 0 && ((number & (number-1)) == 0);
}
/**
* Checks whether given number is power of two or not.
*
* @param number
* @return boolean
*/
public static boolean checkIfPowerOfTwoOrNot(int number) {
return number != 0 && ((number & (number - 1)) == 0);
}
}