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Jeopardy Print Me Which loop? Call Me Name Me My Mistake Q $100 Q $200 Q $300 Q $400 Q $500 Q $100 Q $200 Q $300 Q $400 Q $500 Final Jeopardy
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$100 Question from Print Me "Space Oddity" (1969)
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$100 Answer from Print Me System.out.println ("\"Space Oddity\" (1969)");
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$200 Question from Print Me Numbers from 1 to 10
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$200 Answer from Print Me for (int i = 1; i <= 10; i++) System.out.println(i);
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$300 Question from Print Me Multiples of 5 from -100 to 100
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$300 Answer from Print Me for (int i=-100; i<=100; i+=5) System.out.println(i);
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$400 Question from Print Me Lower case letters from a-z
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$400 Answer from Print Me for (char c=‘a’; c<=‘z’; c++) System.out.println(c);
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$500 Question from Print Me 19 random odd numbers from 5-105
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$500 Answer from Print Me Random r = new Random(); for (int i = 0; i < 19; i++) System.out.println( 2 * r.nextInt(26) + 5 );
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$100 Question from Which Loop? When you don’t want to use an index value
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$100 Answer from Which Loop? for each
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$200 Question from Which Loop? When you are using an index value
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$200 Answer from Which Loop? for or while
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$300 Question from Which Loop? If you need to iterate over all elements in a collection
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$300 Answer from Which Loop? for each (while and for valid also)
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$400 Question from Which Loop? When processing user input
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$400 Answer from Which Loop? while
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$500 Question from Which Loop? When reading in data from a file
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$500 Answer from Which Loop? while
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$100 Question from Call Me Print something with no newline
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$100 Answer from Call Me System.out.print(“something”);
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$200 Question from Call Me Calculate the square root of 2
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$200 Answer from Call Me Math.sqrt(2)
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$300 Question from Call Me Get a line of keyboard input from the user
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$300 Answer from Call Me Scanner s = new Scanner(System.in); s.nextLine();
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$400 Question from Call Me credit(some amount) on a BankAccount object with a string account number and an initial balance
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$400 Answer from Call Me BankAccount ba = new BankAccount(“12345”, 545.65); ba.credit(some_amount);
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$500 Question from Call Me Using an isVowel(some letter) method within the current class, decrement a score if the letter is a vowel, and increment otherwise
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$500 Answer from Call Me char c; int score = 0; if (isVowel(c)) score--; else score++;
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$100 Question from Name Me Method where execution starts in a Java Application
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$100 Answer from Name Me main
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$200 Question from Name Me Creates a new instance of an object
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$200 Answer from Name Me Constructor
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$300 Question from Name Me Verify a method behaves as expected
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$300 Answer from Name Me test
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$400 Question from Name Me Data structure used to store an unknown number of Strings
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$400 Answer from Name Me ArrayList or ArrayList
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$500 Question from Name Me Data structure used to store 5 ints
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$500 Answer from Name Me Array or int[] i = new int[5];
![$500 Answer from Name Me Array or int[] i = new int[5];](http://images.slideplayer.com./30/9524480/slides/slide_42.jpg "$500 Answer from Name Me Array or int[] i = new int[5];")
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$100 Question from My Mistake private int x = 0
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$100 Answer from My Mistake private int x = 0;
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$200 Question from My Mistake public int getX() { return x;
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$200 Answer from My Mistake public int getX() { return x; }
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$300 Question from My Mistake if (x <= 5); x += 5;
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$300 Answer from My Mistake if (x <= 5) x += 5;
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$400 Question from My Mistake ArrayList strings = new ArrayList (); for (String s : strings) { System.out.println(i); }
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$400 Answer from My Mistake ArrayList strings = new ArrayList (); for (String s : strings) { System.out.println(s); }
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$500 Question from My Mistake for (int i = 0: i < 5: i++) { System.out.println(i); }
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$500 Answer from My Mistake for (int i = 0; i < 5; i++) { System.out.println(i); }
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Final Jeopardy How to implement a getMinimumPrice() method in an ITunes project
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Final Jeopardy Answer public double getMinimumPrice() { double min = songs.get(0).getPrice(); for (Song s : songs) { if (min < s.getPrice()) min = s.getPrice(); } return min; }
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