Like collections class and interface.? like the java.awt classes? I/O classes? Like the wrapper classes and the java.lang classes? etc .. the Math class and String class and StringBuffer class.
Author and all-around good cowpoke
posted 14 years ago
No, you don't have to know all the methods of all the classes, but it helps to know the common ones, especially in heavily used classes like Thread, String and StringBuffer. Use the published objectives as a guide. Bill