Section 8: Fundamental Classes in the java.lang Package
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Write code using the following methods of the java.lang.Math class: abs, ceil, floor, max, min, random, round, sin, cos, tan, sqrt.
Describe the significance of the immutability of
String objects.
Describe the significance of wrapper classes, including making appropriate selections in the wrapper classes to suit specified behavior requirements, stating the result of executing a fragment of code that includes an instance of one of the wrapper classes, and writing code using the following methods of the wrapper classes (e.g., Integer, Double, etc.):
o doubleValue
o floatValue
o intValue
o longValue
o parseXxx
o getXxx
o toString
o toHexString
What getXxx methods do i have to remember
also do i need to remember all the methods of collection classes.
also do i need to remember methods , constructors of StringBuffer class.
please reply
Thanks.