Java Reference
In-Depth Information
Triangle
class to throw an
IllegalTriangleException
object if a triangle
is created with sides that violate the rule, as follows:
/** Construct a triangle with the specified sides */
public
Triangle(
double
side1,
double
side2,
double
side3)
throws
IllegalTriangleException {
// Implement it
}
*14.6
(
NumberFormatException
) Listing 9.2 implements the
hexToDecimal(String
hexString)
method, which converts a hex string into a decimal number.
Implement the
hexToDecimal
method to throw a
NumberFormatException
if the string is not a hex string.
*14.7
(
NumberFormatException
) Programming Exercise 9.8 specifies the
binaryToDecimal(String binaryString)
method, which converts a
binary string into a decimal number. Implement the
binaryToDecimal
method
to throw a
NumberFormatException
if the string is not a binary string.
*14.8
(
HexFormatException
) Exercise 14.6 implements the
hexToDecimal
method
to throw a
NumberFormatException
if the string is not a hex string. Define a
custom exception called
HexFormatException
. Implement the
hexToDecimal
method to throw a
HexFormatException
if the string is not a hex string.
VideoNote
HexFormatException
*14.9
(
BinaryFormatException
) Exercise 14.7 implements the
binaryToDecimal
method to throw a
BinaryFormatException
if the string is not a binary string.
Define a custom exception called
BinaryFormatException
. Implement the
binaryToDecimal
method to throw a
BinaryFormatException
if the string
is not a binary string.
*14.10
(
OutOfMemoryError
) Write a program that causes the JVM to throw an
OutOfMemoryError
and catches and handles this error.
Sections 14.10-14.12
**14.11
(
Remove text
) Write a program that removes all the occurrences of a specified
string from a text file. For example, invoking
java Exercise14_11 John filename
removes the string
John
from the specified file. Your program should get the
arguments from the command line.
**14.12
(
Reformat Java source code
) Write a program that converts the Java source code
from the next-line brace style to the end-of-line brace style. For example, the
following Java source in (a) uses the next-line brace style. Your program con-
verts it to the end-of-line brace style in (b).
public class
Test
{
public class
Test {
public static void
main(String[] args) {
// Some statements
public static void
main(String[] args)
{
}
}
// Some statements
}
}
(a) Next-line brace style
(b) End-of-line brace style
