Java 6 Illuminated: An Active Learning Approach, 2nd Edition

E remove( int index )

returns and removes the element at the specified index position

E set( int index, E newElement )

returns the element at the specified index position and replaces

that element with newElement.

int size( )

returns the number of elements in the list

void trimToSize( )

sets the capacity to the list’s current size

BigDecimal

Package: java.math

Description: provides methods that perform addition, subtraction, multi-

plication, and division so that the results are exact, without the rounding

errors caused by floating-point operations.

Constructor

BigDecimal( String num )

creates a BigDecimal object equivalent to the deci-

mal number num expr ...