javac file not found first java Usage javac options source files

Question

I have a filename named  first java  saved on my desktop in notepad    When I run the cmd command  javac first java  it gives me this error   javac  file not found  first java  Usage  javac  lt options gt   lt source files gt    I know you are required to go to C  Programfiles java jdk    and in my C  Program Files Java  I have thesE folders   jdk1 8 0   jre6   jre8   In C  Program Files  x86  Java I have this folder  jre6   The Environmental settings are as follows  CLASSPATH C  Program Files Java jre8 bin Variable name  LEJOS NXT JAVA HOME Variable value  C  Program Files  x86  Java jdk1 6 0 21 bin  PATH Variable name  PATH Variable value  C  Program Files Java jdk1 8 0 bin  Please tell me where I am going wrong   I have read several posts on the Internet  and I can t figure it out

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So I had the same problem because I wasn t in the right directory where my file was located  So when I ran javac Example java  for me  it said it  couldn t find it  But I needed to go to where my Example java file was located  So I used the command cd and right after that the location of the file  That worked for me  Tell me if it helps  Thanks

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First set your path to C  Program Files Java jdk1 8 0 bin in the environment variables  Say  your file is saved in the C  drive Now open the command prompt and move to the directory using c  javac Filename java java Filename  Make sure you save the file name as  java   If it is saved as a text file name then file not found error results as it cannot the text file

User · Answer

first set the path of jdk bin  steps to be follow   - open computer properties   - Advanced system settings  - Environment Variables look for the system variables  -Click on the  path  variable   - Edit copy the jdk bin path and done   The Problem is you just open the command prompt which is default set on current user like  C  users ABC   You have to change the location where your  java file store like  D  javafiles    Now you are able to run the command javac filename java

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Sometimes this issue occurs  If you are creating a java file for the first time in your system  The Extension of your Java file gets saved as the text file    e g Example java txt  wrong extension   You need to change the text file extension to java file   It should be like   Example java  right extension

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As KhAn SaAb has stated  you need to set your path   But in order for your JDK to take advantage of tools such as Maven in the future  I would assign a JAVA HOME path to point to your JDK folder and then just add the  JAVA HOME  bin directory to your PATH   JAVA HOME    C  Program Files Java jdk1 8 0  PATH    PATH   JAVA HOME  bin     In Windows    right-click  My Computer  and choose  properties  from the context menu  Choose  Advanced system settings  on the left  In the  System Properties  popup  in the  Advanced  tab  choose  Environment Variables  In the  Environment Variables  popup  under the  System variables  section  click  New  Type  JAVA HOME  in the  Variable name  field Paste the path to your JDK folder into the  Variable value  field  Click OK In the same section  choose  Path  and change the text where it says     nbsp  nbsp  nbsp  nbsp  nbsp  nbsp blah blah blah C  Program Files Java jdk1 8 0 bin blah blah blah   nbsp  nbsp  nbsp  nbsp  nbsp  nbsp to    nbsp  nbsp  nbsp  nbsp  nbsp  nbsp blah blah blah  JAVA HOME  bin blah blah blah

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I had the same issue and it was to do with my file name  If you set the file location using CD in CMD  and then type DIR it will list the files in that directory  Check that the file name appears and check that the spelling and filename ending is correct   It should be  java but mine was  java txt  The instructions on the Java tutorials website state that you should select  Save as Type Text Documents  but for me that always adds  txt onto the end of the file name  If I change it to  Save as Type All Documents  it correctly saved the file name

User · Answer

just open file  then click on save as then name it as first java then in that box there is another dropdown in that dropdown  save as type  select type as all and save it now you can compile it

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For Windows  javac should be a command that you can run from anywhere   If it isn t  which is strange in and of itself   you need to run javac from where it s located  but navigate to the exact location of your Java class file in order to compile it successfully   By default  javac will compile a file name relative to the current path  and if it can t find the file  it won t compile it   Please note   You would only be able to use jdk1 8 0 to actually compile  since that would be the only library set that has javac contained in it   Remember   the Java Runtime Environment runs Java classes  the Java Development Kit compiles them

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I had same problem  The origin of the problem was the creation of text file in Notepad and renaming it as a java file  This implied that the file was saved as WorCount java txt file   To solve this I had to save the file as java file in an IDE or in Nodepad

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Here is the way I executed the program without environment variable configured   Java file execution procedure  After you saved a file MyFirstJavaProgram java  Enter the whole Path of  Javac  followed by java file  For executing output Path of  followed by comment  lt -cp  followed by  followed by   Given below is the example of execution  C  Program Files Java jdk1 8 0 101 bin javac C  Sample MyFirstJavaProgram2 java C  Program Files Java jdk1 8 0 101 bin java -cp C  Sample MyFirstJavaProgram2 Hello World

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SET path of JRE as well  jre is nothing but responsible for execute the program  PATH Variable value   C  Program Files Java jdk1 8 0 bin C  Program Files Java jre bin

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Java file execution procedure  After you saved a file MyFirstJavaProgram2 java  Enter the whole Path of  Javac  followed by java file  For executing output Path of  followed by comment  lt -cp  followed by  followed by   Given below is the example of execution  C  Program Files Java jdk1 8 0 101 bin javac C  Sample MyFirstJavaProgram2 java  C  Program Files Java jdk1 8 0 101 bin java -cp C  Sample MyFirstJavaProgram2  Hello World

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Seems like you have your path right  But what is your working directory  on command prompt run   javac -version   this should show your java version  if it doesnt  you have not set java in path correctly   navigate to C   cd     Then   javac -sourcepath users AccName Desktop -d users AccName Desktop first java   -sourcepath is the complete path to your  java file  -d is the path directory you want your  class files to be  then finally the file you want compiled  first java

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If this is the problem then go to the place where the javac is present and then type    notepad Yourfilename java it will ask for creation of the file  say yes and copy the code from your previous source file to this file now execute the cmd------ javac Yourfilename java   It will work for sure

[java] javac: file not found: first.java Usage: javac <options> <source files>

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