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Java How to Program Fourth Edition - DCC

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Objectives<br />

20<br />

<strong>Java</strong> Utilities Package<br />

and<br />

Bit Manipulation<br />

• To understand containers, such as classes Vec<strong>to</strong>r<br />

and Stack, and the Enumeration interface.<br />

• To be able <strong>to</strong> create Hashtable objects and<br />

persistent hash tables called Properties objects.<br />

• To understand random number generation with<br />

instances of class Random.<br />

• To use bit manipulation and BitSet objects.<br />

Nothing can have value without being an object of utility.<br />

Karl Marx<br />

I’ve been in Who’s Who, and I know what’s what, but this is<br />

the first time I ever made the dictionary.<br />

Mae West<br />

O! many a shaft at sent<br />

Finds mark the archer little meant!<br />

Sir Walter Scott<br />

There was the Door <strong>to</strong> which I found no Key;<br />

There was the Veil through which I might not see.<br />

Edward FitzGerald, The Rubáiyát of Omar Khayyám, st. 32<br />

“It's a poor sort of memory that only works backwards,” the<br />

Queen remarked.<br />

Lewis Carroll [Charles Lutwidge Dodgson]<br />

Not by age but by capacity is wisdom acquired.<br />

Titus Maccius Plautus, Trinummus, act II, sc. ii, l.88

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