Top Java Packages

Below is the collection of the most frequently used Java packages. You may also use the search function to quickly find the examples you need.

1. java.util

108 commonly used classes
2. java.io

81 commonly used classes
3. android.widget

96 commonly used classes
4. java.util.concurrent

60 commonly used classes
5. android.view

58 commonly used classes
6. java.net

61 commonly used classes
7. android.os

58 commonly used classes
8. android.graphics

53 commonly used classes
9. android.content

45 commonly used classes
10. org.junit

13 commonly used classes
11. java.lang.reflect

28 commonly used classes
12. android.app

63 commonly used classes
13. java.security

69 commonly used classes
14. javax.swing

124 commonly used classes
15. android.util

50 commonly used classes
16. java.text

24 commonly used classes
17. java.lang.annotation

12 commonly used classes
18. java.awt

107 commonly used classes
19. java.sql

52 commonly used classes
20. com.google.common.collect

92 commonly used classes
21. java.nio.file

43 commonly used classes
22. org.springframework.web.bind.annotation

28 commonly used classes
23. javax.persistence

128 commonly used classes
24. java.util.regex

4 commonly used classes
25. java.util.function

43 commonly used classes
26. android.support.annotation

44 commonly used classes
27. android.text

28 commonly used classes
28. com.google.gson

24 commonly used classes
29. javax.servlet

42 commonly used classes
30. java.util.concurrent.atomic

16 commonly used classes

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