FilesExpand file tree

 master

/

Recursion.java

Copy path

Blame

More file actions

Blame

More file actions

Latest commit

 

History

History

History

71 lines (57 loc) · 1.45 KB

 master

/

Recursion.java

Copy path

Top

File metadata and controls

• Code
• Blame

71 lines (57 loc) · 1.45 KB

Raw

Copy raw file

Download raw file

Open symbols panel

Edit and raw actions

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

32

33

34

35

36

37

38

39

40

41

42

43

44

45

46

47

48

49

50

51

52

53

54

55

56

57

58

59

60

61

62

63

64

65

66

67

68

69

70

71

public class Recursion {

public static void main(String[] args) {

System.out.println("countdown");

countdown(3);

System.out.println("countup");

countup(3);

System.out.println("newLine");

newLine();

System.out.println("nLines");

nLines(3);

System.out.println("threeLine");

threeLine();

System.out.println("displayBinary");

displayBinary(23);

System.out.println();

}

public static void countdown(int n) {

if (n == 0) {

System.out.println("Blastoff!");

} else {

System.out.println(n);

countdown(n - 1);

}

}

public static void newLine() {

System.out.println();

}

public static void threeLine() {

newLine();

newLine();

newLine();

}

public static void nLines(int n) {

if (n > 0) {

System.out.println();

nLines(n - 1);

}

}

public static void forever(String s) {

System.out.println(s);

forever(s);

}

public static void countup(int n) {

if (n == 0) {

System.out.println("Blastoff!");

} else {

countup(n - 1);

System.out.println(n);

}

}

public static void displayBinary(int value) {

if (value > 0) {

displayBinary(value / 2);

System.out.print(value % 2);

}

}

}