1. How to add a string as part of a variable name representing an integer, java stackoverflow.comI want to add a string to a variable name that represents an integer. For example: |
2. Why does using a default-valued Java Integer result in a NullPointerException? stackoverflow.comI am new to Java. I just read that class variables in Java have default value.
I tried the following program and was expecting to get the output as |
3. In Java why would one intialise an int variable with 0 when it will be assigned 0 only by default when declared? stackoverflow.comWhat purpose does it serve ? Just read an example in a book where the author has done so. |
4. Why does the use of integer variables throw an exception? stackoverflow.comI have come across with the following two codes. Why does it not throw an exception for floating point where as in other case it will throw a runtime exception. |
5. int Variable name as String stackoverflow.comPossible Duplicate:Hi, I have |
6. Creating Variables at Runtime in Java stackoverflow.comIn my code I have a pretty big loop and I need to create a new variable at the end of each iteration (integers). Is this possible? I read about a ... |
7. Get two lower bytes from int variable stackoverflow.comI have some data in |
8. How to update this image as a int variable increases stackoverflow.comI have this JLabel that I display an image in. In another JPanel I have an int incorrectGuesses that gets added to as the user incorrectly guesses. Is there any way ... |
9. How do I get an int variable in javascript to input in a java method stackoverflow.comIn the code below, I am trying to use the |
10. find count of integers in string variable stackoverflow.comHI ALL, i have a string which sometimes gives character value and some times gives integer value i want to get the count of number of integers in that string for example if string ... |
11. Maximum and Maximum difference of integers in args variable stackoverflow.comI am writing a code that calculates the maximum number in my args variable as well as the largest difference between the highest and lowest integer in args. Currently my code looks ... |
12. Why can I assing an int to a char variable without an explicit cast? stackoverflow.comI wanted to know why this snippet works. int and then for assigning int to char, ... |
13. Printing out a non-variable int in a different method in Java stackoverflow.comI am trying to test whether my method to find the number of odd numbers in an array works with a |
14. How to assign an "Object variable" to an integer variable stackoverflow.comI'm required to build a program in Java, while I have no idea about it. I have an integer value stored in an object variable.. And I want to assign the value to ... |
15. How to convert integer variable to string representation coderanch.com |
16. why sometime we need to initialize integer variable ? coderanch.comClass and instance variables are automatically given a starting value when the class is loaded or the instance is created. Variables declared inside a method are not. Think about what the += operator does - it takes the existing value in a variable and adds to it. Therefore the compiler watches out for the possibility that num2 does not have a ... |
17. "int" variable value calculation? coderanch.comThe maximum decimal value that can be represented by an int is 2^31 - 1 or 2147483647 which in binary is 01111111111111111111111111111111. Note that every bit is on except for the first bit which is the sign bit. Now let's add 3 to it which is 00000000000000000000000000000011. 01111111111111111111111111111111 + 00000000000000000000000000000011 = 10000000000000000000000000000010 Now note that the first bit is set which ... |
18. String variables and Int variables coderanch.comHey Rick! You sound like someone that could really help me out. I have been trying to figure this code out for like a week. i am new to java and i was told i need string variables and int variables to make a code work were i had two different users that will input data i.e. first name, last name, ... |
19. Need basic advice on getting int variable coderanch.comYeah I know it wont compile because I compiled it. LoL. Anyways Im trying to get int myClass in MyClassC to print in MyClassB (which I got to do) but now I want to print it three times in MyClassA. I realize the code itself is probably all messed up but im a newbie so forgive me. I've spent hours rewriting ... |
20. convert String variable to same name int variable coderanch.comThe soul is dyed the color of its thoughts. Think only on those things that are in line with your principles and can bear the light of day. The content of your character is your choice. Day by day, what you do is who you become. Your integrity is your destiny - it is the light that guides your way. - ... |
21. Increasing/decreasing an int variable with boundrys java-forums.orgI am defining two methods where I am increasing a variable by 1 at a time and decreasing by 1 at a time. public void moveUp() { currentScore = currentScore + 1; } I also have an int value which represents the maximum score and thus the score can not go over this. How could I implement code such that nothing ... |
22. Integer Variable java-forums.orgHey Kevin, Thank you for your response. here is what I did: Will you consider this right ? import java.util.Scanner; public class Ismail { public static void main(String[] args) { int score; Scanner in= new Scanner(System.in); System.out.print("Enter your Score"); score= keyboard.nextInt(); if ( score >= 0) && ( score <= 100) System.out.println( "The test score is Valid."); else if system.out.println(" the ... |
23. Assigning Hexadecimal No to an int variable forums.oracle.comWhen a hexadecimal no is being assigned to an int variable no compile time error is coming but however a compile time error is coming if the decimal equivalent of the hexadecimal no is assigned to the int variable. program:- public class Outer { public static void main(String args[]) { int i=0Xffffffffff; System.out.println(i); } } this wont throw any error whereas ... |
24. Can we convert a variable of type integer into a String? forums.oracle.comThis is probably the sillyest question anyone can ask but I have to ask it. I have this variable of type integer and I would like to convert it into a String. Basically I have this user-defined class that takes a String argument and I need to convert my variable of type integer into a String. Is there a way to ... |
25. holding int variables forums.oracle.com} public static void UFO(DrawingWindow dw, int x, int y) { dw.setForeground(Color.white); Rect UfoRect = new Rect (10 + x, 30 + y, 118, 10); Oval UfoOval = new Oval(20 + x , 20 + y, 100, 30); final int Start = 180, Angle = 180; Rect arcRect = new Rect(60 + x, 30 + y, 20, 40); Arc UfoBeamer = ... |
26. HELP! store a variable of type double to a variable of type int forums.oracle.com |
27. variable working as int and char? forums.oracle.com |
28. changing chars by using integers in variables forums.oracle.com |
29. int double variables forums.oracle.comThere's no such thing as an "int double". The assignment probably meant to "initialize", or "init" the double variables. Declaring the variables as double, and then re-declaring them as ints is nonsense. P.S. My psychic abilities enable me to predict that Norweed will use the expression "oh noes" somewhere after this post. |
30. How to use a variable where some Java API expects an integer value ??? forums.oracle.comThis may not be a proper forum to submit this query but since its a Java related problem & there are many experience people, I hope I can get some good hint and advice to solve this problem. I have to pass an integer value to a SPARQL query. I am using Allegrograpg API for Java application. But I am receiving ... |
31. how to check whether an variable of type int is null forums.oracle.com |
32. specifying if a variable is divisible by a certain integer forums.oracle.com |
33. Assigning integers from one variable to another forums.oracle.comWhen I put a break point on the line total=total+sec and run through the debugger I would expect the total variable to have a value of 4 because when the condition count ==1 the value for the variable firs (4) SHOULD assign this value to the variable sec but this stays as zero. I would expect this variable sec to change ... |
34. store a double into a variable of type int forums.oracle.comwhat exactly do you want to do? Casting a double into an int truncates everything past the decimal point. If you want to keep all of the data, theres no way to do this with Java (in C or C++ you would just use memcpy). But I dont see why you would want to do that. |
35. Separated integer variable data from remainder forums.oracle.comHello, I have an integer variable in which I am trying to separate the integer from the remainder. I am working on a converter a mm to inch converter that gives the remainder off as a fraction. Example: integer=3.54 I want to separate it into two variables intergerA = 3 integerB = .54 Any suggestions would be greatly appreciated. |
36. can i assign and declare a variable as Integer in Java1.4 forums.oracle.com |