/*
	This program asks for number to convert into degrees Celsius or degrees Fahrenheit. It also asks for a 'C' or and 'F' (ignoring the case) to indicate what the user would like
	to convert to. It loops until the user indicates they wish to terminate.
*/
import java.util.*;
 
public class ConvTempCont
 
{
	public static void main(String[] args)
 
	{
		Scanner kb = new Scanner(System.in);
 
		System.out.println("Give me a temperature to convert and I will convert it to degrees\n"
			+ "Celsius or degrees Fahrenheit.");
 
		int degIn, degOut;
		String degConv, quitYesNo;
		char degConvChar;
 
		do
		{
			System.out.print("Enter the temperature:");
			degIn = kb.nextInt();
 
			System.out.print("Enter 'C' to convert to Celsius and 'F' for Fahrenheit:");
			degConv = kb.next();
 
			degConvChar = degConv.charAt(0);	
 
			switch (degConvChar)
			{
				case 'C':
				case 'c':
					degOut = 5*((degIn)-32)/9;
					System.out.println(degOut + " degrees Celsius.");
					break;
				case 'F':
				case 'f':
					degOut = (9*(degIn)/5)+32;
					System.out.println(degOut + " degrees Fahrenheit.");
					break;
			}
 
			System.out.println("Enter 'Q' to quit or hit any other key to continue.");
			quitYesNo = kb.next();
		}while ((quitYesNo != "Q") || (quitYesNo != "q"));
	}
}

/*
	This program asks the user to enter the size of a triangle to print out,
	then prints the triangle by printing a series of lines consisting of
	asterisks.
*/
import java.util.*;
 
public class TriangleLoop
 
{
	public static void main(String[] args)
 
	{
		Scanner kb = new Scanner(System.in);
 
		int triangleSize, j, k;
 
		System.out.println("Enter the size of a triangle");
		System.out.print("(an integer from 1 to 50):");
		triangleSize = kb.nextInt();
 
		for (j=0; j<triangleSize+1; j++)
		{
			for (k=0; k<j; k++)
			{
				System.out.print('*');
			}
			System.out.println();
		}
	}
}

for(int j=0; j< 2*triangleSize+1; j++)
	{
		int i=j;
		if(j>triangleSize)
			i=2*triangleSize-(j+1);
		for (int k=0; k<i; k++)
		{
			System.out.print("*");
		}
		System.out.println();
	}

for (j=0;j <triangleSize;j++ ) {
      for(k=triangleSize-1;k>j;k--){
            System.out.print('*');
      }
      System.out.println();
}