1. 1 10 pt 15 pt 20 pt 25 pt 5 pt 10 pt 15 pt 20 pt 25 pt 5 pt 10 pt 15 pt 20 pt 25 pt 5 pt 10 pt 15 pt 20 pt 25 pt 5 pt 10 pt 15 pt 20 pt 25 pt 5 pt WHILE You were out FOR Crying out Loud! IF You insist What is your mal- FUNCTION Nothing to see here. Move Along

2. 2 What is the output?? int x = 0; while(x<=7){ System.out.println(x); x++; }

3. 3 0123456701234567

4. 4 int x = 10; while(x>0){ x-=2; System.out.println(x); } What is the output??

5. 5 8642086420

6. 6 int x = 0, y=0; while(x<=100){ y+=x; x+=10; } System.out.println("x="+x); System.out.println("y="+y);

7. 7 x=110 y=550

8. 8 What is the output? int x = 1; while(x<=20){ if(x%2 != 0) System.out.print(x+" "); if(x%5==0) System.out.print("\n"); x++; }

9. 9 1 3 5 7 9 11 13 15 17 19

10. 10 Assume that the user has entered a value into a variable named exp. Write code that uses a while-loop to calculate 2 exp. (be sure to declare any other variables that you may use)

11. 11 int exp=5; int count=0, ans=1; while(count<exp){ ans*=2; count++; } System.out.println(ans);

12. 12 What is the output? for(int i=0; i<8; i++) System.out.println(i);

13. 13 0123456701234567

14. 14 What is the output? for(int i=10; i>=0; i-=2){ System.out.println(i); }

15. 15 10 8 6 4 2 0

16. 16 What is the output? int x=5, ans=0; for(int i=x; i>0; i--){ ans += i*i; } System.out.println(ans);

17. 17 55

18. 18 What is the output? int x=3, y=5, ans=1; for(int i=y; i>0; i--){ ans*=x; } System.out.println(ans);

19. 19 243

20. 20 Assume the user has stored a value in a variable named var. Write a for-loop that calculates the factorial of var. Be sure to declare any other variables.

21. 21 int fact=1; for(int i=1;i<=var;i++) fact*=i; System.out.println(fact);

22. 22 What is the output? int a=92, f=65; int x=70; if(x>=a) System.out.println("You make A"); else if(x>=f) System.out.println("You pass"); else System.out.println("FAILURE");

23. 23 You pass

24. 24 What is the output? int x=2, y=3; int num=5; if(num%x==0) if(num%y==0) System.out.println(x*y+" divides "+num); else System.out.println(x +" divides "+num); else if(num%y==0) System.out.println(y +" divides "+num); else System.out.println("thanks for playing");

25. 25 thanks for playing

26. 26 What is the output? int x=2, y=3; int num=5; if(num>x) if(num<y) System.out.println("between"); else System.out.println("below"); System.out.println("thanks");

27. 27 below thanks

28. 28 What’s the output? int x=2, y=5,z=8; int num=19; if(x<=num) if(num<=y) System.out.println("[x,y]"); else if(num<=z) System.out.println("[y,z]"); else System.out.println("[z,i]"); else System.out.println("[-i,x]");

29. 29 [z, i]

30. 30 What’s the output? int x=3, y=14,z=28; int num=19; if(x<=num) if(num<=y) System.out.println("a"); else if(num<=z) System.out.println("b"); else System.out.println("c"); else System.out.println("d");

31. 31 b

32. 32 What is the output? public static void main(String[] args){ int num1=5, num2; num2 = sq(num1); System.out.println(num1); System.out.println(num2); } public static int sq(int x){ x*=x; return x; }

33. 33 5 25

34. 34 What are values of variables x, y, & z? public static void main(String[] args){ int x=5, y=10, z=15; x=fun(x,y); z=fun(y,x); } public static int fun(int a, int b){ a += b; b--; return(a-10); }

35. 35 x=5 y=10 z=5

36. 36 Values of x, y, & z? public static void main(String[] args){ int x=2, y=4, z=0; fun(x,y); z=fun(y,x); y=fun(z,x); } public static int fun(int n1, int n2){ int a=0; if(n1>n2) a=n1+(n1-n2); else a=n1-(n2-n1); n1*=1000; n2+=n1; return a; }

37. 37 x=2 y=10 z=6

38. 38 Values of x, y, & z? public static void main(String[] args) { int x=2, y=3,z; z=fun(x,y); y=fun(z,2); System.out.println("x="+x); System.out.println("y="+y); System.out.println("z="+z); } public static int fun(int n1, int n2){ int a=1; while(n2>0){ a*=n1; n2--; } return a; }

39. 39 x=2 y=64 z=8

40. 40 Write a function that accepts one parameter and returns the sum of all positive integers less than or equal to its value.

41. 41 public static int sum(int x){ int sum=0; while(x>0){ sum+=x; x--; } return sum; }

42. 42

43. 43

44. 44

45. 45

46. 46

47. 47

48. 48

49. 49

50. 50

51. 51

52. 52 FINAL JEOPARDY!! Write a function that calculates and returns the factorial of a given number.

53. 53 public static int fact(int x){ int ans=1; for(int i=1; i<=x; i++) ans*=i; return ans; }