Are you facing the error “char cannot be dereferenced”? So in this article, we’re going to see the main reason behind this error (char cannot be dereferenced) and the possible solutions. As we know there are two types of data types – Primitive (i.e. byte, int, boolean) and Non-primitive (ie. Arrays, String). char is a …
Solve Error “char cannot be dereferenced” in Java Read More »
Dereferencing means accessing an object from the heap using a reference variable Or we can say It is a process of accessing the referred value by a reference. Dereferencing’s main purpose is to place the memory address (where the actual object presents) into the reference. Example:
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Object ob = new Object(); String st = ob.toString(); // 'ob' is dereferenced. |
If the reference has the null value, at …
Solve Error “int cannot be dereferenced” in Java Read More »
So in this tutorial, We will know that what kind of reasons can be for getting this error “Editor does not contain a main type” and we will see how to fix this error. Basically, this type of Error means your Editor is not able to find the “main” method in any of your current …
Fix Error “editor does not contain a main type” in Eclipse Read More »
Automorphic numbers are those numbers that when squared have the exact same end digits as the number. For example, the number 376. Now the square of the number, 376 is 141376. The last three digits of the square are exactly like the number themselves. Hence, 376 is an Automorphic Number. However, let the number is …
Here you will get list of 6 best java books for beginners. Java is a programming language which includes much more concepts compared to C, C++, etc. Java is an almost pure Object Oriented Programming Language. To master Java it requires guidance of good books and tutorials. For this purpose here are some books which …
Pronic numbers are those numbers who can be written as a product of two consecutive integers. It means, they are of the form: P = n * (n + 1) For example, the number 56 can be written as 7 * 8, that is, a product of two consecutive integers. Hence, the number 56 is …
Random numbers may be required for sorts of programming jobs. For example, statistical sampling, computer simulation, cryptography, and other areas where producing random unpredictable results is desirable. Java provides certain ways in which we can generate random numbers. Although, the generated random numbers are pseudo-random, they get the work done mostly. We can generate random …
Here in this article you will learn about difference between error and exception in java. In exception hierarchy we need to see where these two classes exist. Throwable Class is the root for the Java Exception Hierarchy. Throwable contains two chain of classes, Exception and Error. Exceptions Errors Mostly because of our programs. These occur …
