The declaration ArrayList aL = new ArrayList(); A) allows the programmer to create an ArrayList that holds integer types B) compiles correctly,but causes an exception to be thrown at run time C) causes a compile-time error D) compiles and runs correctly,but is not recommended

Question

The declaration ArrayList< int > aL = new ArrayList< int >(); A) allows the programmer to create an ArrayList that holds integer types B) compiles correctly,but causes an exception to be thrown at run time C) causes a compile-time error D) compiles and runs correctly,but is not recommended

Quizplus · Accepted Answer

Java's generics do not support primitive types like 'int'. Instead, you should use the wrapper class 'Integer'.

The Declaration ArrayList< Int > AL = New ArrayList< Int >();