Java

Array list or character ? in java

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Re: Array list or character ? in java

#11

Sep 18th, 2009

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Originally Posted by rouhaifa

this is the answer about the count:

int counter (string s){
count=0;
for (int i=1;int i<s.length();i++)
count ++;
return count;
}

No offense but this was worthless.How about using the s.length().
It already is a function that returns the number of character. And your counter has bugs.

Last edited by firstPerson; Sep 18th, 2009 at 8:46 pm.

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1) Prove that the area of a circle is pi*r^2, where "r" is the radius of the circle.
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ayaz.ali

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Re: Array list or character ? in java

#12

Sep 20th, 2009

there is another way to solve this one i got it and told my teacher also made the program from it at last minute

12+6=18 which is divisble by 9 %=0
6+3=9 same %=0
so the answer will be 8+1=9 %=0

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import java.util.Scanner;
 
class Guard
{	
	public static void main(String args[])
	{
	 int a;
	 int b;
	 int c;
	 int rm;
 
	Scanner input=new Scanner (System.in);
		System.out.print("Enter the digit that the guard has given you:");
	a=input.nextInt();
		System.out.print("Please enter your password:");
	b=input.nextInt();
 
 
	c = a + b;
	rm = c%9;
 
 
	if (rm==0 && b<9)
	System.out.println("Access granted ");
 
	else
	System.out.println("Wrong Password! Access denied");
 
	}
}
import java.util.Scanner;

class Guard
{	
	public static void main(String args[])
	{
	 int a;
	 int b;
	 int c;
	 int rm;
	
	Scanner input=new Scanner (System.in);
		System.out.print("Enter the digit that the guard has given you:");
	a=input.nextInt();
		System.out.print("Please enter your password:");
	b=input.nextInt();
	
	
	c = a + b;
	rm = c%9;
	

	if (rm==0 && b<9)
	System.out.println("Access granted ");
	
	else
	System.out.println("Wrong Password! Access denied");

	}
}

Last edited by ~s.o.s~; Sep 20th, 2009 at 10:17 am. Reason: Added code tags, please learn to use them.

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aymahh

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greatest common divisor

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#13

Oct 13th, 2009

write a problem that determines the GCD of pairs of positive integers. the program shall repeatedly request for integer pairs and determine the GCD until one of the inputs received is less than 1.

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surbhi bhasker surbhi bhasker is offline

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reply

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#14

Oct 25th, 2009

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Originally Posted by ayaz.ali

I want to create a a program in which i enter a word and the program counts the number of alphabets used in the word and display as output !!
I know its simple but i am just a beginner and my teacher wants to submit this as assignment

this is the question
2. A man wanted to enter a club but did not know the password that was required. He waited by the door and listend, a club member knocked on the door, the door man said "twelve" member replied "6" and was let in. Second member came to the door, doorman said "six" the member replied "3" and was let in. now the man throught that he had heard enough and walked up to the door, doorman said "eight" the man replied "4" but he was not let in. What should he say? so that he gets in.

ans is [5] as word 'eight' contains 5 letters in it (as you can see in above eg. given............as in 'twelve' it contain 6 letters as in 'six' it contains 3 letter s

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