import java.io.*;
/** Taken from Core Web Programming from
* Prentice Hall and Sun Microsystems Press,
* .
* © 2001 Marty Hall and Larry Brown;
* may be freely used or adapted.
*/
public class NegativeLengthException extends Exception {
/** Test NegativeLengthException */
public static void main(String[] args) {
try {
int lineLength = readLength();
for(int i=0; i<linelength ; i++) {
System.out.print("*");
}
System.out.println();
} catch (NegativeLengthException nle) {
System.out.println("NegativeLengthException: " +
nle.getMessage());
}
}
public NegativeLengthException() {
super("Negative dimensions not permitted.");
}
public NegativeLengthException(String message) {
super(message);
}
// readLength catches IOExceptions locally but lets the
// calling method handle NegativeLengthExceptions.
private static int readLength() throws NegativeLengthException {
BufferedReader in = new BufferedReader(
new InputStreamReader(System.in));
System.out.print("Enter length: ");
System.out.flush();
int len = 0;
try {
String line = in.readLine();
len = Integer.parseInt(line);
if (len < 0) {
throw new NegativeLengthException();
}
} catch (IOException ioe) {
System.out.println("Problem reading from keyboard");
}
return(len);
}
}
Note: Brought from our old site: http://www.salearningschool.com/example_codes/ on Jan 2nd, 2017 From: http://sitestree.com/?p=10223
Categories:Programming Code Examples, Java/J2EE/J2ME, Basic Java
Tags:Java/J2EE/J2MEBasic Java
Post Data:2017-01-02 16:04:23
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