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

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 because of lack of system resources. Exceptions are recoverable. Errors are not recoverable. Exceptions can be handled using try catch blocks. Errors cannot be handled

There are many types of errors that can be encountered while writing a Java Program. The errors can be with the Syntax or the Semantics of the Java program. The Java Community tries hard to avoid these errors at compile time itself, so that a programmer does not have to run the program to encounter the error. Use of generics is one way by which Java provides Type Safety by throwing errors at compile time itself. Solve Missing Return Statement

Here you will learn to solve error “cannot make a static reference to the non-static method” or “non static method cannot be referenced from a static context”. Lets take one example where this error occurs. When you will compile below code then you will get an error.

Why this Error Occurs? This error occurs when we try to access a non static method or member directly inside a static method. In above code print() is a non static method

The error javac is not recognized as an internal or external command arises when we try to compile any java source file using javac command. The reason for this error is because the path of javac command is not set properly. This error can be solved easily by setting javac compiler path in environment variables. How to solve javac is not recognized as an internal or external command Error? This can be done in two ways as given below.