Solve Error insert “Dimensions” to complete ReferenceType in Java

We usually get this error in java when we are trying to pass primitive data type in the generic type declaration. The reason we get this error because generic always expects the wrapper classes but gets the primitive data type. Those who are unaware about primitive data types and wrapper classes. Wrapper Classes Wrapper classes are classes in java which contains primitive data types and primitive data type can be used as objects by the help of wrapper class. Wrapper

Read more

Solve Error “the import org.apache cannot be resolved” in Java

How can you resolve the import org.apache error from your program? Nowadays, when developers are preparing some codes in Java, the common error is import org.apache error takes a lot of time to resolve. This is because of the minor mistake you may do while coding, and no apache library is installed on them. Apache library is crucial for coding on Java and requires several corrections to develop a program efficiently. Most developers face this common issue in their developing

Read more

Solve Error “char cannot be dereferenced” in Java

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 primitive data type, unlike String. So one of the most common reasons for this error is calling a method of String on a char value.

Read more

Solve Error “int cannot be dereferenced” in Java

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:

If the reference has the null value, at that time the result of dereferencing will be a “Null Pointer Exception.” Example:

Reference: A reference is an address of a variable and it

Read more

Fix Error “editor does not contain a main type” in Eclipse

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 program classes. The editor shows this error because when you want to run the project, at that time, the interpreter couldn’t find the main function

Read more

Solve Error Could not reserve enough space for object heap

So in this article, We’ll see how to solve the error “Could not reserve enough space for object heap”. While solving this error you will be also able to solve the following errors which occurs due to the same reasons: Error Occurred during initialization of VM Could not allocate metaspace Unable to allocate bitmaps for parallel garbage collection for the requested heap Could not create the Java virtual machine Reasons for this Error The above following errors are usually raised

Read more

Solve Error can not find symbol in Java

In this article, we’ll see the reason behind the error can not find symbol or can not resolve symbol in Java So you can solve it by removing that cause. So let’s start. A java program consists of keywords, literals, operators, comments, whitespaces, and identifiers. This error is related to identifiers (an identifier is a name that user assign to an element of a program such as a type, function, variable, namespace, or class). Because when you compile your code,

Read more

Solve Java Command Not Found Error – ‘java’ is not recognized as an internal or external command

If you’re new to java programming, the error “java command not found” or “’java’ is not recognized as an internal or external command, operable program or batch file” may have occurred to you. There are 2 reasons that you’re facing “Java command not found” in your Linux/Mac java’ is not recognized as an internal or external command, operable program or batch file” in your windows PC. Lets discuss these two reasons and its solution one by one. How to Solve

Read more
1 2