Is there a better way to negate a boolean in Java than a simple if-else?
if (theBoolean) theBoolean = false; else theBoolean = true;
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Sometimes i extract boolean checks into local variables to achief better readability.
What do you think?
Any disadvantages?
Does the compiler a line-in or something if the variable isn't used anywhere ... |
Does openCL support boolean variables? I am currently using JOCL (java) to write my openCL calling code and I don't see anything about booleans.
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I would like to program in java two Boolean variables which are corelated in a way that one is allways false and one allways true. So if you set one to ... |
My name is Panda and I am completely blanking on what i believe to be simple Java syntax.
Here is an example of my first class:
Public ExampleClass{
public boolean ...
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while(true)--This one would be an infinite loop. There is no expression that is going to evaluate. The only way to get out of this loop is a break statement. while (x == true)--This is a boolean expression that will evaluate to either true or false based on the value of x. If x is true, the expression will evaluate to true. ... |
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Hi folks This is my first post, and I'd like to begin by saying thanks for your help. I've constructed a class of type MoneyFrog, here's the code: Java Code: import ou.*; /** * Class MoneyFrog. MoneyFrog class takes another object * MoneyFrog as an argument. Both objects compare balances. Where * one object balance is greater than the other a ... |
Hello I'm making a calculater and I have some problem with my booleans. When I press a number the boolean 'opera' should be set to true so that my program can register if I press +,- or *. But there is a problem, the code in getNrAction will run and register and print the first number i press, but the boolean ... |
If you look in that thing you got when you started class, its about 1200 pages thick and teaches you things (can't remember what they are called...oh yeah), a book!. If you are to lazy then google it. The generation today isn't willing to do any work, they just want the answered handed to them! Man! |
I have a variable I've declared in my program called exitPayroll and want to have the true value be Y (so the user would exit when inputting a y) and the false as being N (so my do...while loop will continue whenever I input an N) - is this possible? I've been trying to find information on this, but all the ... |
} regarding return type.. you used public char printDottedLines() ...then this function must have a return statement which is character type or the function return type must be void. i.e. public void printDottedLines(). if you dont want to return anything regarding printing new line System.out.print() is used to print on console on the same line where the cursor last printed System.out.println() ... |
Hi all, Basically, I am doing httpconnection stuff for which I have two threads and a class. One thread starts the progress bar and the other thread does the connection stuff. From the main class I start both the threads. The progress bar contains a cancel button and I want to stop the http thread when the user presses the cancel ... |
If you call setGoals, then goal0, goal2, goal4, and goal6 will be set to true. Note that this has nothing to do with goals[0], etc. Doing goals[0] = goal0, does NOT make goals[0] "mirror" changes to goal0 or vice versa. It just sets goal[0] to whatever value goal0 has at that point. |
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Hey everyone. I'm trying to check radio buttons inside the paint method, written in a different class than the class with the buttons. I want to know, is there a way that I can check their state in another class inside a method? Like saying: If ( jRadioButton1ActionPerformed (true) ) g.drawString("X"); Because I want to change what is drawn according to ... |
Hi all I have a boolean variable which I use in a conditional statement that calls a method. Depending on the condition of this variable i.e. set to true then from the main class another method (M1) is called which uses the same condition to perform an action, depending on the setting of this variable. The problem is one of the ... |
Ok, let's try this... without any code, what do you expect to happen when a player clicks a square? Step by step, using words and not code. For example: 1) Player 1 clicks square 2) Find the square player 1 clicked 3) Put player 1's symbol in the square 4) Wait for next player Explain exactly what you think should happen. ... |