Introduction of Java Utility library java.util package. In this package, Java provides some practical Methods and data structures. For example, Java provides the date (Data) class calendar (Calendar) class to generate and access Date and time, providing a random number (Random) class produces various types of random numbers, but also provides the stack (Stack), vector (Vector), bit set (Bitset) and hash table (Hashtable) and other classes to represent the corresponding Data Structures.

JavaUtil_package_introdunction.pdf

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