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    • Showing results for:
    • Java
    • Java Arrays
    • Gotchas and Wins
    • Close
  • Jacob Wingfield
    Jacob Wingfield
    7,780 Points

    My code ain't working and I'm not sure why. When I run it in javac it returns a bunch of errors and I don't what's wrong

    Posted on Oct 6, 2022 by Jacob Wingfield
    Jacob Wingfield
    7,780 Points
    • Java
    • Java Arrays
    • Gotchas and Wins
    • Adding and Removing Items Means Copying

    1 Answer

  • Michel Spaniolo
    PLUS
    Michel Spaniolo
    Courses Plus Student 1,850 Points

    i keep getting an error in jshell when i run the random function and i cant see what it is

    Posted on May 28, 2022 by Michel Spaniolo
    Michel Spaniolo
    Courses Plus Student 1,850 Points
    • Java
    • Java Arrays
    • Gotchas and Wins
    • Array Usage in Method Declarations

    1 Answer

  • Henry Spock
    Henry Spock
    20,615 Points

    Arrays.sort giving weird output.

    Posted on Jul 9, 2021 by Henry Spock
    Henry Spock
    20,615 Points
    • Java
    • Java Arrays
    • Gotchas and Wins
    • Sorting

    1 Answer

  • Joshua Thao
    Joshua Thao
    6,439 Points

    How to use this in Intellij instead of Jshell?

    Posted on Apr 17, 2019 by Joshua Thao
    Joshua Thao
    6,439 Points
    • Java
    • Java Arrays
    • Gotchas and Wins
    • Array Usage in Method Declarations

    1 Answer

  • Dinu Comendant
    Dinu Comendant
    6,049 Points

    Why are we getting an error for System.out.printf/ln?

    Posted on Feb 10, 2019 by Dinu Comendant
    Dinu Comendant
    6,049 Points
    • Java
    • Java Arrays
    • Gotchas and Wins
    • Array Usage in Method Declarations

    1 Answer

  • Dylan Cascio
    Dylan Cascio
    5,488 Points

    Why does `"Apple".compareTo("apple");` return -32 and not 1, 0 or -1?

    Posted on Feb 10, 2019 by Dylan Cascio
    Dylan Cascio
    5,488 Points
    • Java
    • Java Arrays
    • Gotchas and Wins
    • Sorting

    1 Answer

  • Sondre Dahl
    Sondre Dahl
    10,086 Points

    Error message: attempted to call method pickLunchSpot(String...) which cannot be invoked until variable spot is declared

    Posted on Jan 22, 2019 by Sondre Dahl
    Sondre Dahl
    10,086 Points
    • Java
    • Java Arrays
    • Gotchas and Wins
    • Array Usage in Method Declarations

    3 Answers

  • john DOe
    john DOe
    27,897 Points

    How do I compare by multiple things, such as length first and then the normal lexical string compare?

    Posted on Jul 22, 2018 by john DOe
    john DOe
    27,897 Points
    • Java
    • Java Arrays
    • Gotchas and Wins
    • Sorting

    1 Answer

  • Ani Azot
    Ani Azot
    1,754 Points

    How do you know when to add parentheses to the end of certain methods?

    Posted on Jun 6, 2018 by Ani Azot
    Ani Azot
    1,754 Points
    • Java
    • Java Arrays
    • Gotchas and Wins
    • Sorting

    2 Answers

  • lukej
    lukej
    34,222 Points

    Error Creating the pickLunchSpot Function

    Posted on May 9, 2018 by lukej
    lukej
    34,222 Points
    • Java
    • Java Arrays
    • Gotchas and Wins
    • Array Usage in Method Declarations

    1 Answer

  • Andre Kucharzyk
    Andre Kucharzyk
    4,479 Points

    return spots[random.nextInt(spots.lenght)];

    Posted on Feb 19, 2018 by Andre Kucharzyk
    Andre Kucharzyk
    4,479 Points
    • Java
    • Java Arrays
    • Gotchas and Wins
    • Array Usage in Method Declarations

    3 Answers

  • Shaurya Grover
    Shaurya Grover
    15,815 Points

    you never wrote anything in the teacher's notes

    Posted on Nov 6, 2017 by Shaurya Grover
    Shaurya Grover
    15,815 Points
    • Java
    • Java Arrays
    • Gotchas and Wins
    • i < videos.length

    5 Answers

  • Lukasz Walczak
    Lukasz Walczak
    6,620 Points

    Everything in Java is passed by value, is it not? :)

    Posted on Nov 3, 2017 by Lukasz Walczak
    Lukasz Walczak
    6,620 Points
    • Java
    • Java Arrays
    • Gotchas and Wins
    • Sorting

    1 Answer

  • disheng wang
    disheng wang
    5,422 Points

    Class and Object understanding!

    Posted on Nov 2, 2017 by disheng wang
    disheng wang
    5,422 Points
    • Java
    • Java Arrays
    • Gotchas and Wins
    • Adding and Removing Items Means Copying

    2 Answers

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