Q:

Java program to round off an integer number to the next lower multiple of 2

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mahmoud2506
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2022-05-06
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Java program to round off an integer number to the next lower multiple of 2

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mahmoud2506
2022-05-06
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Program/Source Code:

The source code to round off an integer number to the next lower multiple of 2 is given below. The given program is compiled and executed successfully.

// Java program to round off an integer number to 
// the next lower multiple of 2

import java.util.Scanner;

public class Main {
  public static void main(String[] args) {
    Scanner SC = new Scanner(System.in);

    int tmp = 1;
    int num = 0;
    int i = 0;

    System.out.printf("Enter Number: ");
    num = SC.nextInt();

    if (num > 0) {
      for (; tmp <= num >> 1;)
        tmp = tmp << 1;
      num = tmp;
    } else {
      num = ~num;
      num = num + 1;

      for (; tmp <= num >> 1;)
        tmp = tmp << 1;

      tmp = tmp << 1;
      tmp = ~tmp;
      tmp = tmp + 1;
      num = tmp;
    }
    System.out.printf("Result is: %d\n", num);
  }
}

Output:

Enter Number: 35
Result is: 32

 

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