Just how do I prevent a ClassCastException?
To prevent ClassCastException, see to it that you are casting challenge the right course. This can be done by utilizing instanceof driver to examine the sort of the item prior to casting it. You can likewise utilize the ideal spreading approach, such as casting to a details user interface or superclass, to guarantee that the item can be cast to the preferred course.
Right here is an instance of code that tosses a ClassCastException:
String str="Hi"; . Integer num=( Integer) str;
In this instance, the string “Hi” is being cast to an Integer course, which is inappropriate. To prevent this mistake, you can utilize the instanceof driver to examine the sort of the item prior to casting it:
String str="Hi";
. if( str instanceof Integer) {
. Integer num =( Integer) str;
.}
else {
. System.out.println(" str is not a circumstances of Integer");
.
}
.
