public class Main {
public static void main ( String args [ ] ) throws Exception {
int n = 20 , result = 0 ;
try {
result = n / 0 ;
System . out . println ( " 结果为 " + result ) ;
}
catch ( ArithmeticException ex ) {
System . out . println ( " 发算术异常: " + ex ) ;
try {
throw new NumberFormatException ( ) ;
}
catch ( NumberFormatException ex1 ) {
System . out . println ( " 手动抛出链试异常 : " + ex1 ) ;
}
}
}
}