
Concept explainers
Explanation of Solution
Program:
//definition of "Main" class
class Main
{
//definition of main method
public static void main(String[] args)
{
//call the method with different values
showTwos(7);
showTwos (18) ;
showTwos(68);
showTwos(120) ;
}
//definition of "showTwos" method
public static void showTwos(int n)
{
//display "n" value
System.out.print(n + " = ");
//check "n" mod 2 is 0
while (n % 2 == 0)
{
//display the line
System.out.print("2 * ");
//divide the "n" by 2
n = n / 2;
}
//display "n" value
System.out.println(n);
}
}
Explanation:
In the above program, the “Main” is the class name
- Inside “main” method, call the “showTwos” method with different values.
- Inside the “showTwos” method,
- Display the “n” value with “=” symbol.
- Check “n” mod 2 is equal to 0
- Display the “2 *” on the output screen.
- Divide “n” by 2 and store the result in “n”.
- Display the “n” value.

Output:
7 = 7
18 = 2 * 9
68 = 2 * 2 * 17
120 = 2 * 2 * 2 * 15
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