The document discusses the history and evolution of Java from versions 1.1 to 11. It outlines new features introduced in recent versions like Java 7, 8, 9, 11 including lambda expressions, Project Jigsaw, and HTTP client API. Finally, it previews potential features for Java 14 like records and pattern matching improvements.

1. JAVA:THE EMPIRE
STRIKES BACK
1

2. WHO AM I
2
vkrokhmaliuk

3. DISCLAIMER
3
I LIKED IT

4. 4
SOURCE CODE

5. 5
1996
JAVA 1.1
1998
JAVA 1.2 JAVA 6
2011
JAVA 7JAVA 5
2004 2006
JAVA 8
2014
JAVA 9
2017
HISTORY of java

6. 6
JAVA 7 - 5 Years
JAVA 8 - 3 Years
JAVA 9 - 3,5 Years

7. 7
https://openjdk.java.net/projects/lambda/
Project lambdas
Project Jigsaw
https://openjdk.java.net/projects/jigsaw/

8. 8
PRoject jigsaw

9. 9

10. rt.jar
10

11. 11
java.base
java.compiler
java.rmi java.net.http
java.se
java.xml
java.sql

12. 12
https://www.youtube.com/watch?v=vOdFuvIyN0E&t=3s

13. 13

14. HOW to Support
all versions?
14

15. LONG TERM SUPPORT
15

16. LONG TERM SUPPORT
16
Java 11 - current
Java 17 - 2021
Java 23 - 2024

17. WILL JAVA BE
PAID?
17

18. 18

19. 19

20. 20 https://www.jrebel.com/blog/2020-java-technology-report

21. 21
which version
do you use?

22. 22
Java 11 Java 10 Java 9 Java 8 Java 7 Java 6 Other
https://www.jetbrains.com/lp/devecosystem-2019/java/

23. 23
Let’s see new
features

24. 24
PROJEct amber

25. 25
PROJEct amber
https://openjdk.java.net/projects/amber/

26. LOCAL VARIABLE TYPE
INFERENCE
26

27. WHAT IS A TYPE
INFERENCE?
27

28. var
28

29. GARBAGE COLLECTOR
INTERFACE
29

30. 30
HOTSPOT

31. 31
API

32. 32

33. DO GET REQUEST
33

34. NETTY HTTP CLIENT
SPRING REST TEMPLATE
JETTY HTTP CLIENT
FEIGN CLIENT
APACHE HTTP CLIENT
OK HTTP
34

35. JAVA 11 HTTP CLIENT
35

36. JAVA 11 HTTP CLIENT
36

37. JAVA 11 HTTP CLIENT
37

38. JAVA 11 HTTP CLIENT
HTTP 1.1/HTTP 2.0
38

39. JAVA 11 HTTP CLIENT
HTTP 1.1/HTTP 2.0
SYNC OR ASYNC REQUESTS
39

40. JAVA 11 HTTP CLIENT
HTTP 1.1/HTTP 2.0
SYNC OR ASYNC REQUESTS
DATA AS REACTIVE STREAM
40

41. SYNC REQUEST
41

42. ASYNC REQUEST
42

43. DATA AS REACTIVE
STREAMS
43

44. MISSING PARTS
44

45. MISSING PARTS
FORM DATA SUPPORT
45

46. MISSING PARTS
FORM DATA SUPPORT
COMPRESSION
46

47. MISSING PARTS
FORM DATA SUPPORT
COMPRESSION
MULTIPART
47

48. bicycle to support
FORM DATA
48

49. Local variable syntax
for lambda parameters
49

50. Local variable syntax
for lambda parameters
50

51. Local variable syntax
for lambda parameters
51

52. Local variable syntax
for lambda parameters
52

53. LAUNCH SINGLE FILE
SOURCE CODE PROGRAMS
53

54. RUN JAVA APP FROM
COMMAND LINE
54

55. RUN JAVA APP FROM
COMMAND LINE
55

56. RUN JAVA APP FROM
COMMAND LINE
56

57. WHAT IS IT FOR?
57

58. IT'S ONE OF THE BARRIERS TO BE
JAVA AS AN INTRO LANGUAGE
58

59. RUN PYTHON FILE
59

60. RUN PYTHON FILE
RUN JAVA FILE
60

61. 61

62. 62
JAVA 11 API UPDATE

63. 63
JAVA 11 API UPDATE

64. 64
JAVA 11 API UPDATE

65. 65
JAVA 11 API UPDATE

66. 66
Removed features
and options

67. 67
Removed features
and options

68. 68
Removed features
and options

69. Do you love switCh?
69

70. 70

71. 71

72. 72

73. 73

74. 74
SWITCH EXPRESSION

75. 75
ARROW SYNTAX

76. 76
https://cr.openjdk.java.net/~briangoetz/amber/pattern-match.html

77. 77
SWITCH EXPRESSION

78. TEEING COLLECTOR
78

79. TEEING COLLECTOR
79

80. TEEING COLLECTOR
80

81. TEEING COLLECTOR
81

82. 82
TEEING COLLECTOR

83. 83
TEEING COLLECTOR

84. 84
TEEING COLLECTOR

85. 85
TEEING COLLECTOR

86. 86
TEEING COLLECTOR

87. TEXT BLOCKS
87

88. TEXT BLOCKS
88

89. DECOMPILE
89

90. TEXT BLOCKS
90

91. Class data sharing
91

92. Class data sharing
92
.class.class
.class
.class.class

93. 93

94. 94
Application CDS

95. 95
Application CDS

96. DYNAMIC CDS
96

97. SWITCH EXPRESSION
97

98. SWITCH EXPRESSION
98

99. WHAT NEXT?
99

100. JAVA 14
100

101. EVERYONE LOVES NPE
101

102. EVERYONE LOVES NPE
102
npe

103. EVERYONE LOVES NPE
103

104. 104

105. 105
HELPful npe

106. 106
HELPful npe

107. 107
HELPful npe

108. 108
Pattern Matching
for instance of

109. 109
Pattern Matching
for instance of

110. 110
Pattern Matching
for instance of

111. SWITCH EXPRESSION
111

112. RECOrDS
112

113. RECOrDS
113

114. RECOrDS
114

115. RECOrDS
115

116. RECOrDS
116

117. 117
Define methods

118. 118
Override methods

119. 119
Compact Constructor

120. 120
Compact Constructor

121. 121
Add a new field

122. 122
Add a new field

123. 123
Add a new field

124. SUMMARY
124

125. THANK YOU!
125