get class from generic type java
class Foo<T> {
final Class<T> typeParameterClass;
public Foo(Class<T> typeParameterClass) {
this.typeParameterClass = typeParameterClass;
}
public void bar() {
// you can access the typeParameterClass here and do whatever you like
}java define a generic class that produces
List list = new ArrayList();
list.add("abc");
list.add(new Integer(5)); //OK
for(Object obj : list){
//type casting leading to ClassCastException at runtime
String str=(String) obj;
}Copyright © 2021 Codeinu
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