java.util contains miscellaneous utility classes, including generic data structures,bits set,time,date,string manipulation,random number generatio,system properties,notification,enumeration of data structures.
______________________ provides an integrated set of classes to manage user interface components such as windows,dialog boxes,buttons,checkboxes,lists,menus,scrollbars and text fields.
java.awt provides an integrated set of classes to manage user interface components such as windows,dialog boxes,buttons,checkboxes,lists,menus,scrollbars and text fields.