So when I compile my code I keep getting that error message at the end of my class bracket,
I'm sure its something simple or at least I think it is, but I can't figure it out.
If you know what I should do, please let me know. Thank you.
I'm sure its something simple or at least I think it is, but I can't figure it out.
If you know what I should do, please let me know. Thank you.
public class TestMethods
{
/*
* Returns a String containing the given number of * characters.
* <p>
* If width is 0 or more, the returned String will end with a newline ('\n')
* character. If width is negative, returns the empty string "".
* <p>
* Examples:
* <pre>
* row(3) -> "***\n"
* row(5) -> "*****\n"
* row(0) -> "\n"
* row(-2) -> ""
* </pre>
*
* @param width How many *s should be in the generated row
* @return A String containing width *s and a \n
*/
public static String row(int width)
{
if(width > 0)
{
String result = "";
if(width > 0)
{
for(int i = 0; i < width; i++)
{
result += "*";
}
result += "\n";
}
else
{
result = "";
}
return result;
}
}//method
/**
* Returns a String of *s that form a right triangle of the given size.
* Both the width and height will be equal to the given size. The right
* angle of the printed triangle will be in the lower-left.
* <p>
* If size is 0 or less, returns the empty String "".
* <p>
* Examples:
* <pre>
* triangle(6) -> "*\n**\n***\n****\n*****\n******\n"
* triangle(3) -> "*\n**\n***\n"
* triangle(1) -> "*\n"
* triangle(0) -> ""
* triangle(-2) -> ""
* </pre>
* <p>
* In these examples, '\n' is a single newline characters. If these
* strings were printed, they would result in multiple lines of output.
*
* @param size The width and height of a right triangle of *s
* @return A String that contains the complete triangle, including
* necessary line breaks ('\n')
*/
public static String triangle(int size)
{
if(size > 0)
{
String result = "";
for (int i = 0; i < size; i++)
{
for (int j = 0; j < i; j++)
{
result += "*";
}
result += "\n";
}
}
else
{
result = "";
} return result;
}//method
//HINT: To avoid loops, reuse your row method above to generate each line
// of the triangle
/**
* Returns a String containing the given String fragment repeated the given
* number of times with a decreasing count placed between the fragments.
* That is, the format of the returned string is frag#frag#frag here # is
* the sequences of decreasing integers from (times-1) to 1. (See examples
* for more.)
* <p>
* If times is 0 or less, returns an empty string "".
* <p>
* Examples:
* <pre>
* interpose"ho", 3) -> "ho2ho1ho"
* interpose("yes", 5) -> "yes4yes3yes2yes1yes"
* interpose("", 5) -> 4321
* interpose("x", 1) -> "x"
* interpose("raise", -1) -> ""
* </pre>
*
* @param str The string to repeat
* @param times How many times to repeat it
* @return A String containing str x times with a decreasing count
* between the repeated strs.
*/
public static String interpose(String str, int times)
{
String result = "";
if(times > 0)
{
if(times > 0)
{
for (int x = times; x >= 1; x--)
{
result += str + x;
}
result += str;
}
else
{
result = "";
}
}return result;
}//method
/**
* Sets the cells within a section of the given array equal to i*i, where i
* is the index of the containing cell. That is, starting at i = startIndex,
* sets array[i] equal to i*i, and then repeats this for all higher i up to
* the end of the array.
* <p>
* Changes the given array, but also returns a reference to it.
* If start index is outside the bounds of the array, this method does
* nothing, returning the array unchanged.
* <p>
* Examples:
* <pre>
* squares(new int[5], 2) -> [0, 0, 4, 9, 16]
* int[] nums = {2, 4, 6, 8, 10};
* squares(nums, 6) -> [2, 4, 6, 8, 10]
* squares(nums, 3) -> [2, 4, 6, 9, 16]
* </pre>
*
* @param array The array of ints to change
* @param startIndex The index within array at which to start writing
* squares
* @return The same array given as a parameter
*/
public static int[] squares(int[] array, int startIndex)
{
if(startIndex < array.length)
{
for(int i = startIndex; i < array.length; i++)
{
System.out.print(i * i);
System.out.print(" ");
}
}
else
{
for(int j = 0; j < array.length; j++)
{
System.out.print(array[j]);
System.out.print(" ");
}
} return array;
}//squares method
/**
* Uses the Euclidean algorithm to compute the greatest common divisor
* of the given two integers. In other words, assuming |a| >= |b|:
* <pre>
* gcd(a, 0) == a, or
* gcd(a, B)/> == gcd(b, a - (b * (a/B)/>))
* </pre>
* <p>
* When calling this method, the parameter a does not need to be >= b
* because this method will appropriately reorder the parameters' values
* if necessary. The returned value will always be >= 0.
* <p>
* Examples:
* <pre>
* gcd(48, 32) -> 16
* gcd(32, 48) -> 16
* gcd(32, 32) -> 32
* gcd(0, 32) -> 32
* gcd(9, 17) -> 1
* gcd(18, -6) -> 6
* gcd(-6, -18) -> 6
* </pre>
*
* @param a One of the two values to find the GCD of
* @param b The other of two values to find the GCD of
* @return The positive GCD of a and b
*/
public static int gcd(int a, int B)/>
{
int rem;
if(Math.abs(a) < Math.abs(B)/>)
{
int temp = a;
a = b;
b = temp;
}
while(b!=0)
{
rem = a % b;
a = b;
b = rem;
}
return Math.abs(a);
}//gcd method
// HINT: Use Math.abs and compare the values of a and b and
// swap their values if |a| < |b|. After that point, you'll know
// that |a| >= |b|.
}//Main Method
}//Class