Ask a Question

Name some of the design patterns which are used in JDK library.

in Education by

Name some of the design patterns which are used in JDK library.

Please log in or register to answer this question.

1 Answer

0 votes
by

Name some of the design patterns which are used in JDK library.

Following are some of the design patterns which are used in JDK library.

Decorator patttern is used by Wrapper classes.

Singleton pattern is used by Runtime, Calendar classes.

Factory pattern is used by Wrapper class like Integer.valueOf.

Observer pattern is used by event handling frameworks like swing, awt.

Related questions

0 votes
Q: Java annotations for design patterns?
asked Mar 13, 2022 in Education by JackTerrance
0 votes
Q: a.State the number of bytes occupied by char and int data types.b.Differentiate between = and == operator.c.What is meant by precedence of operators?d. Name any two library packages.e.
asked Dec 5, 2021 in Education by JackTerrance
0 votes
Q: How many data formats are available in Excel? Name some of them.
asked Nov 27, 2021 in Education by JackTerrance
...