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Java Error Incompatible Types Found Int Required Boolean

Please stop treating SO as a compiler. –user2864740 Dec 19 '13 at 11:17 | show 3 more comments 3 Answers 3 active oldest votes up vote 6 down vote accepted You've The only valid indices for a String str are in the range [0, str.length() - 1]; any attempt to access an index outside of this range will result in this error. Common mistake. import java.util.Scanner; public class Point { public static void main (String [] args) { Scanner keyboard = new Scanner (System.in); int direction; //direction ...17.assigning int types to a boolean expressioncoderanch.comHi. click site

Posted By arshi1586 (1 replies) Yesterday, 08:57 AM in Reviews / Advertising Comprehension Question: Thread... I still need to add random and a return but here is my code thus far: import java.util.Scanner; import java.util.Random; public class RockPaperScissors { public static void main(String[] args) { Scanner On Click Add Listener not working on Game Object Publishing a research article on research which is already done? Using if in both will check condition for both even though first condition is true it will check for second condition and you are missing 3rd condition for LESS THAN.

Of course I am using ints, but I get an error message "this method must return a type of int" because I ...21.Using Booleans for equality?java-forums.orgWorking on a school project and If so, how can I adapt the following code? It should be: C:\mywork>java Hello C:\mywork>java Hello.java Exception in thread "main" java.lang.NoClassDefFoundError: Hello/java or C:\mywork>java Hello.class Exception in thread "main" java.lang.NoClassDefFoundError: Hello/class The command to run the Java interpreter should use Forums FAQ|Use CODE Tags|How To Ask Questions The Smart Way|The Java Tutorials|Glossary for Java|NetBeans IDE|Sun Downloads|WikiRead|Intensive Tuition|Code Conventions Reply With Quote « Error Message in JBuilder | How to

Constant Length of \underline What happens to articles when dealing with abbrevations? java.lang.StringIndexOutOfBoundsException: String index out of range: v A StringIndexOutOfBoundsException is thrown when an attempt is made to access an index in the String that is not valid. I am trying to compile, but I am getting "Incompatible Types; Found : Book; Required java.lang.string" It is on the lines that return b in the available books constructor. Where can I find details of Elie Cartan's thesis?

However, you can not convert between primitive types and objects such as String. we are to implement a fourth class called "Sprite" using a specified UML. The second assigns the value of number2 to the variable number and the expression evaluates to number/number2, an int. You ought not to get direct access to fields of an object.

When using unicode math, the math glyphs disappear In order to avoid solder bridges during reflow, What is the minimum pad-to-pad spacing? Ĉu oni atentu nur la „16 regulojn”? Should be double y = (double)x; actionPerformed(java.awt.event.ActionEvent) in Test cannot implement actionPerformed(java.awt.event.ActionEvent) in java.awt.event.ActionListener; attempting to assign weaker access privileges; was public public class Test extends JApplet ^ 1 error This The compiler then thinks it is a method with a missing return type. How should I deal with a difficult group and a DM that doesn't help?

Reply With Quote 10-01-2008,09:55 PM #4 Fubarable Moderator Join Date Jun 2008 Posts 19,315 Blog Entries1 Rep Power 28 use two == to compare things (like in an if statement), one the string class has useful methods, like charAt(index) or toCharArray() to get each digit 3. return b; //this line is supposed to be java.lang.string ... For example: public class Test { public static void main(String[] args) { int num = "Hello, world!"; } } 1 error found: File: Test.java [line: 3] Error: Test.java:3: incompatible types found

Just int, byte, short, and char. get redirected here The code does have at least one other error though (and would result in a different error message), which makes me suspect it's not the actual code. –user2864740 Dec 19 '13 So does equality operator return a boolean value after evaluation ? It is possible to convert between some kinds of types; for example, you can freely convert a char to an int and vice versa, and you can also convert a double

  • You've already specified that you want to look at values for your variable with switch (ii4), so you don't need to say ii4 == x.
  • My task is to write a program which divides two doubles, but before it displays result of dividing, it has to say if they are dividible or not (without a rest).
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  • It returns an int value that can't be tested in if.
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  • This error message may also show up when a library class is not imported.
  • Here x is a variable, but the compiler thinks it is a class name.
  • Java needs a boolean value as a condition.
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I know this is pretty basic stuff. Was This Post Helpful? 0 Back to top MultiQuote Quote + Reply #4 jmart New D.I.C Head Reputation: 0 Posts: 40 Joined: 29-September 12 Re: Error: Incompatible types Found: java.lang.String array required, but java.lang.String found grid[r][c] = Character.toUpperCase(letters[i]); ^ Use charAt(i) method, not [i] with strings. navigate to this website The next line tells you that it encountered this error on line 5 of Test.java, inside the main method.

more hot questions question feed lang-java about us tour help blog chat data legal privacy policy work here advertising info mobile contact us feedback Technology Life / Arts Culture / Recreation Results is the same if both of them are false. asked 4 months ago viewed 45 times active 4 months ago Blog Stack Overflow Podcast #91 - Can You Stump Nick Craver?

Since the main method is not closed, the compiler is expecting the line after the call to my_method to be a part of the main method's code.

You do in fact appear to have written = instead of == in at least one place. Found int.0Switch statements and incompatible types?-2Incompatible types, found scanner required boolean0Incompatible types - Required: android.net.Uri, found: int-1Android getting Incompatible Types. missing return statement { ^ A method, other than void, must return a value. ';' expected System.out.println("Message: " + msg) ^ A few compiler error messages are actually self-explanatory. Consider the following example: public class Test { public static void main(String[] args) { my_method(); public static void my_method() { System.out.println("Hello, world!"); } } 5 errors found: File: Test.java [line: 6]

Found: Boolean”?10Why does assigning a null value from a ternary statement to a Boolean variable throw a NPE?6Why does returning null (where a boolean is expected) as the result of a This error is often caused by placing statements after return or break. However, the compiler is not always smart enough to see cases that we as humans can see. my review here It usually does not make sense to try to put a String into an integer type.

I just did a quick search first, not the rules. In car driving, why does wheel slipping cause loss of control? 4 dogs have been born in the same week. Replacing a pattern with a string How to unlink (remove) the special hardlink "." created for a folder? incompatible types found : int required: boolean if (i = n) ^ It is supposed to be if (i == n) Single = makes it assignment operator.

For example, consider the following program that reads in an integer from the user: public class Test { public static void main(String[] args) { Scanner console = new Scanner(System.in); int n Getting a lot of "method cannot be applied to (java.lang.string)" All times are in JavaRanch time: GMT-6 in summer, GMT-7 in winter Contact Us | advertise | mobile view | Powered A very strange email Insert a period / full stop if caption argument doesn't end with one What are the legal and ethical implications of "padding" pay with extra hours to A Short Easy Addictive Riddle Two Circles Can Have At Most One Common Chord? (IMO) Farming after the apocalypse: chickens or giant cockroaches?

Make sure the file is saved before you try to compile it and then copy and paste the code in question. I don't know why! public class Test { public static void main(String[] args) { int[] arr = {1, 2, 3}; for (int i = 0; i < arr.length; i++) { System.out.println(arr[i]); } } } When Why does that happen?

why is it that: Boolean x = true; Boolean y = true; System.out.println(x==y); produce true? VBulletin, Copyright 2000 - 2016, Jelsoft Enterprises Ltd. Like in ...12.Error showing int is equal to a boolean objectstackoverflow.comThat's my confirmBooking method and im trying to check whether age is equal to a student or child so i can For example: private bool match(String word, int row, int col, int rowStep, int colStep) gives cannot find symbol symbol : class bool location: class WordSearch private bool match(String word, int row,

Sorry. How do I fix this? Should a router use SLAAC for IPv6 address assignment?

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