Please help me make a program that can determine if a number is a multiple of 7 or not. Please make it simple i am new to this.
I also canot import java,util.Scanner I always get this message:
hwork3.java:1: cannot resolve symbol
symbol : class Scanner
location: package util
import java.util.Scanner;
^
I need a code help with a java code! New to programming?
The Scanner class *is* in the java.util package, so you *do* need to import the Scanner class.
By the way, there are two packages that you don't need to import. The other source-files that are in the same package that you're working on and the java.lang package.
Your import statement looks right to me:
import java.util.Scanner;
One constraint on import statements is that they occur at the beginning of a source file and can only be preceded by comments and the package declaration.
Please post your entire source-file so I can see the context of the compile-time error.
-- Kaydell
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Reply:public boolean isNumberDivideBySeven(int number)
{
if(number% 7 ==0)
return true;
else
return false;
}
This '%' is called the modulus operator. It gives you the remainder if you were to divide the two numbers. Therefore, if the number divided by 7 has a remainder of 0, you know that it's divisible by 7.
Reply:package "FOLDER FILE IS IN"
import javax.swing.*;
public class "YOUR FILE NAME" {
public static void main(String args[]) {
String search = ".0"; //char can't be dereferenced, so it has to be a string to char
double number = Integer.parseInt(args[0]); //get the number
double new_number; //the output
new_number= number/7; //create the number/7
String tries; // create the string to search through
tries = Double.toString(new_number); //convert a float to a string
for (int i = 0; i %26lt; tries.length(); i++) { //create the reading loop
if (tries.charAt(i) == search.charAt(0)) { //if a decimal is found...
if (tries.charAt(i + 1) == search.charAt(1)) {//if the next char is a "0"...
System.out.println("true"); //its a multiple
} else {//if not...
System.out.println("false"); //its not a multiple
}
}
}
}
}
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