Java Programming/Keywords/throw
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throw is a keyword; it 'throws' an exception. In a throw statement, the three types of objects that can be thrown are: Exception, java:Throwable, and java:Error
Syntax:
throw <Exception Ref>;
For example:
Computer code
publicCustomerfindCustomer(Stringname)throws'''CustomerNotFoundException''' { CustomercustRet=null; Iteratoriter=_customerList.iterator(); while(iter.hasNext()) { Customercust=(Customer)iter.next(); if(cust.getName().equals(name)) { // --- Customer find -- custRet=cust; break; } } if(custRet==null) { // --- Customer not found --- thrownew'''CustomerNotFoundException'''("Customer "+name+" was not found"); } returncustRet }