public static void main(String args[]) throws MyException { int random=(int)Math.random()*100; if(random>50) throw new MyException("The random number is more than 50."); } }class MyException extends Exception{ MyException() { super(); } MyException(String message) { super(message); } }
int random=(int)(Math.random()*100); 这句修改一下,呵呵
呀呀呀。。 jFresH_MaN(十一月的萧邦-夜曲) 5555~~~~~~~~ 慢了一步。 package temp;import java.util.Random;public class Jf { public void demo() throws JfException { Random random = new Random(); int ret = random.nextInt(100); System.out.println(ret); if (ret > 50) { throw new JfException("JF...."); } }
public static void main(String args[]) throws MyException
{
int random=(int)Math.random()*100;
if(random>50)
throw new MyException("The random number is more than 50.");
}
}class MyException extends Exception{
MyException() {
super();
}
MyException(String message) {
super(message);
}
}
这句修改一下,呵呵
jFresH_MaN(十一月的萧邦-夜曲) 5555~~~~~~~~ 慢了一步。
package temp;import java.util.Random;public class Jf { public void demo() throws JfException {
Random random = new Random();
int ret = random.nextInt(100);
System.out.println(ret);
if (ret > 50) {
throw new JfException("JF....");
}
}
public static void main(String[] args) {
try {
(new Jf()).demo();
} catch (JfException e) {
e.printStackTrace();
}
}
}class JfException extends Exception {
public JfException(String x) {
super(x);
}
}