In Java, how do I parse XML as a String instead of a file?
I have this function in my code base, this should work for you. also see this similar question
java
Class Declarations for temperature program in Java
You need a Temperature class. I’m just guessing that you’ve added those methods to the TempProg considering the improper “constructor”. What you need is another class all together like so… The constructor should not return a value. It should look like… public Temperature(), or some variation depending on your specific requirements.
How can I catch all the exceptions that will be thrown through reading and writing a file?
In Java, is there any way to get(catch) all exceptions instead of catch the exception individually?
set background color: Android
instead of #rrggbb you should be using hex values 0 to F for rr, gg and bb: e.g. Color.parseColor(“#000000”) or Color.parseColor(“#FFFFFF”) Source From documentation: public static int parseColor (String colorString): Parse the color string, and return the corresponding color-int. If the string cannot be parsed, throws an IllegalArgumentException exception. Supported formats are: #RRGGBB #AARRGGBB ‘red’, … Read more
How to print a table of information in Java
You can use System.out.format(…) Example: Result: Or use the following code for left-aligned output:
model.addAttribute() parameters
I’m new to Spring MVC Framework. I’m doing some self study to extend my knowledge in Java. This is how I understand the getProducts() code definition from a tutorial I’m following but please correct me if I’m wrong. Controller requests something from the Data Access Object > Data Access Object gets the data from a … Read more
Using the Pythagorean theorem with Java
I’m trying to create this program that essentially solves the 3rd value of a right triangle. So the hypotenuse will always be 1, and one of the values (lets call it ‘x’) will be greater than or equal to -1 but less than or equal to 1. First, I created a loop to include all … Read more
What does hasNext() in a While do?
I’m new to JAVA and I’m trying to read data from a .txt file. I’ve implemented a Scanner object ‘in’ Scanner in=new Scanner(“file.txt”); and then down the code a while loop to traverse through the content of the file.There are multiple rows of data in the file and in each row there are three strings … Read more
Java rules for casting
When can a certain object be cast into another object? Does the casted object have to be a subtype of the other object? I’m trying to figure out the rules… Edit: I realized that I didn’t explain my issue at all: basically I am casting an object to an interface type. However, at run-time, I … Read more
Change Name of Import in Java, or import two classes with the same name
There is no import aliasing mechanism in Java. You cannot import two classes with the same name and use both of them unqualified. Import one class and use the fully qualified name for the other one, i.e.