Java Error Operator Cannot Be Applied To Boolean Int
here for a quick overview of the site Help Center Detailed answers to java operator < cannot be applied to int any questions you might have Meta Discuss the workings and policies operator && cannot be applied to bool and int of this site About Us Learn more about Stack Overflow the company Business Learn more typescript operator cannot be applied to types boolean and number about hiring developers or posting ads with us Stack Overflow Questions Jobs Documentation Tags Users Badges Ask Question x Dismiss Join the Stack Overflow Community Stack Overflow is a community of 4.7 million programmers, just like you, helping each other. Join them; it only takes a minute: Sign up Error message: operator < cannot be applied to boolean,int up vote 1 down vote favorite I´m new to programming, and are doing som exercices. In this exercice I am supposed to write a program that reads in three numbers from the user of the program. The program is supposed to find the smallest number, and print which one is the smallest number. Here is my code: import javax.swing.JOptionPane; public class Smallestnumber { public static void main( String args[] ) { // Defining variables: String firstnumberstring; String secondnumberstring; String thirdnumberstring; String result; int firstnumber; int secondnumber; int thirdnumber; // Making input frames: firstnumberstring = JOptionPane.showInputDialog( "Write first number!" ); secondnumberstring = JOptionPane.showInputDialog( "Write second number!"); thirdnumberstring = JOptionPane.showInputDialog( "Write third number!" ); // Converting stringvalues to int values: firstnumber = Integer.parseInt( firstnumberstring ); secondnumber = Integer.parseInt( secondnumberstring ); thirdnumber = Integer.parseInt( thirdnumberstring ); // Initialising printstring to an empty string: result = ""; if ( firstnumber < secondnumber < thirdnumber ) result = firstnumber + " is the smallest number!"; if ( firstnumber < thirdnumber < secondnumber ) result = firstnumber
here for a quick overview of the site Help Center Detailed answers to any questions you might have Meta Discuss the workings and policies of this site About Us Learn more about Stack Overflow the company Business Learn more about hiring developers or posting ads with us Stack Overflow Questions Jobs Documentation Tags Users Badges Ask Question x Dismiss Join the Stack Overflow Community Stack Overflow is a community of 4.7 million programmers, just like you, helping each other. Join them; it only takes a minute: Sign up operator && cannot be applied to boolean,char [closed] up vote 0 down vote favorite So I am working on a ModelViewController tic-tac-toe game homework and I am trying to check that if the board is http://stackoverflow.com/questions/6559669/error-message-operator-cannot-be-applied-to-boolean-int empty at position xpos, ypos or not, but I got an error that says operator && cannot be applied to boolean,char Why does this occur and how can I change it to make it work? double xpos,ypos,xr,yr; char[][] position = {{' ',' ',' '}, {' ',' ',' '}, {' ',' ',' '}}; public boolean isEmpty(int xpos, int ypos){ int pos=xpos+3*ypos; boolean isPosWithinRange = pos>=0 && pos<9 ; return isPosWithinRange && position[xpos][ypos]=' '; } java share|improve this question edited Jan 17 http://stackoverflow.com/questions/14350770/operator-cannot-be-applied-to-boolean-char '13 at 10:43 Linus Kleen 20.8k76183 asked Jan 16 '13 at 3:07 Xin Chen 226 closed as too localized by Oliver Charlesworth, AlexWien, Jayan, P.T., valex Jan 16 '13 at 5:21 This question is unlikely to help any future visitors; it is only relevant to a small geographic area, a specific moment in time, or an extraordinarily narrow situation that is not generally applicable to the worldwide audience of the internet. For help making this question more broadly applicable, visit the help center.If this question can be reworded to fit the rules in the help center, please edit the question. 2 you're using assignment (=) instead of comparison (==) –Dan Jan 16 '13 at 3:08 You want ==, not =. –Oliver Charlesworth Jan 16 '13 at 3:08 add a comment| 2 Answers 2 active oldest votes up vote 3 down vote accepted correct your code, to use == for comparison return isPosWithinRange && position[xpos][ypos]==' '; share|improve this answer answered Jan 16 '13 at 3:10 AlexWien 22k52866 Thanks. I always got confused with = and ==. –Xin Chen Jan 16 '13 at 3:27 add a comment| up vote 1 down vote Use == when you are compare... '=' will assign the value it won't compare... share|improve this answer answered Jan 16 '13 at 3:30 Kanagaraj M 848713 add a comment| Not the answer you're looking for? Browse other questions tagged java or ask your own quest
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