How do i run this java program from the command line of my windows computer? [closed]

Question

Its on my desktop, if you could tell me step by step how i can run this program. I know javac compiles the program.

public class SimpleProgram {
    public static void main(String[] args){
        System.out.println("A proverb");
        String Proverb  = "Practice makes perfect!";
        System.out.println("Proverb");
        int CharacterCount = Proverb.length();
        Syetem.out.println("The Proverb has "+CharacterCount + "Characters");
    }
}

There are many pointer about how to do this, including this question stackoverflow.com/questions/1279542/… or this one stackoverflow.com/questions/2864622/… — madth3
– madth3, Commented Nov 11, 2011 at 23:22

r0ast3d · Accepted Answer · 2011-11-11 23:05:50Z

1

From the command prompt you can use Java command to run your class and follow it in the exact syntax as follows.

C:> java SimpleProgram

answered Nov 11, 2011 at 23:05

r0ast3d

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hovanessyan · Accepted Answer · 2011-11-11 23:06:48Z

1

Running a Java Program from Command Prompt

answered Nov 11, 2011 at 23:06

hovanessyan

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tolitius · Accepted Answer · 2011-11-11 23:08:38Z

1

Your program will not compile, as you posted it. Here is the version that will:

public class SimpleProgram {

    public static void main( String[] args ) {

      System.out.println( "A proverb:" );
      String proverb  = "Practice makes perfect!";
      System.out.println( "Proverb" );
      int characterCount = proverb.length();
      System.out.println( "The Proverb has " + characterCount + " Characters" );
    }
}

You can compile it and run as:

$ javac SimpleProgram.java 
$ java SimpleProgram
A proverb:
Proverb
The Proverb has 23 Characters

answered Nov 11, 2011 at 23:08

tolitius

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2 Comments

Stack Sack Over a year ago

it wont run, it says $ javac SimpleProgram.java is not recognized as an external or internal command.

tolitius Over a year ago

I just ran it in the example above. What you need to do is to install java, or if it is installed, you need to set some EVN variables ( JAVA_HOME, etc.. ). Check the installation instructions

AshotN · Accepted Answer · 2011-11-11 23:34:44Z

1

To compile do java SimpleProgram

If you dont want to do this back and forth get Textpad!

answered Nov 11, 2011 at 23:34

AshotN

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arsenal · Accepted Answer · 2011-11-11 23:57:49Z

1

Follow this step by step tutorial- http://www.youtube.com/watch?v=5u8rFbpdvds

answered Nov 11, 2011 at 23:57

arsenal

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