They end with an extension .java
Test.java would be a java source file.
The contents of Test.java could be
package xyz;
import java.util.*;
public class Test {
...
...
..
.
.
}
Those files have the extension .java
.class is the extension of a java byte code file.
Java source files have the .java extension, compiled Java class files have the .class extension.
'.java' files contain java source code. One can access these files on windows by using 'notepad'.
in .exe file it contains machine understandable code. but in .class file it contain only byte code which is not understadable by the microprocessor it will understud by the jvm only . we con't execute .class file without jvm . but we can execute .exe file without c-compiler .
Those files have the extension .java
.class is the extension of a java byte code file.
Java source files have the .java extension, compiled Java class files have the .class extension.
Without Java files, we wouldn't be able to program in Java. And some of us find Java to be an important programming language.
Java files can be compiled. The output is a machine understandable file that has a .class extension which can be executed by the JVM
'.java' files contain java source code. One can access these files on windows by using 'notepad'.
If you want to compile a java program the name of that source code must end with extension .java
in .exe file it contains machine understandable code. but in .class file it contain only byte code which is not understadable by the microprocessor it will understud by the jvm only . we con't execute .class file without jvm . but we can execute .exe file without c-compiler .
The input is source code (MyClass.java) and the output is bytecode (MyClass.class).Generally, Java compilers receive as input .java source code files, and output .class binary files which are then executed by the Java Virtual Machine (JVM) executable.Some Java compilers output binaries in machine code that can be directly executed.The input is a source file with the java extension. (i.e. HelloWorld.java) The output is the byte code file with the class extension. (i.e. HelloWorld.class)Input:1. Most compilers take as input the source program which is in a particular programming language.2. Compilation Switches ( special arguments that tell the nature of compilation and structure of target code).3. Supporting Files (Library Files) such files help in the execution and translation of a programOutput:1. Program List file.2. Target Code. Target code is the equivalent of the source code but in another language
Due to platform independence, a Java compiler will interpret Java source code into Java Byte Code and pass to the JVM, which will pass machine understandable code through to cpu. (clarification needed).A conventional compiler converts source code directly to machine code.(clarification needed).
You write the source code, in a text editor, or better in a special IDE. The source code should have the extension ".java". You can have several classes in the same file. Then you compile the class to bytecode; this creates a file with extension ".class".
The source code is just the set of statements written in (any included) java language by a programer (in this case our source code is a text file with .java extension). And in other hand a bytecode is the resulting code of compile a .java file, It is not machine code, but it can be interpreted and executed by the jvm.