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How to insert value in console of eclipse using java code


How to insert value in console of eclipse using java code

By : user2957453
Date : November 24 2020, 01:01 AM
fixed the issue. Will look into that further If you want to get the input from the user from console use java.util.Scanner class
code :
 System.out.println("Enter a number: ")
 Scanner sc = new Scanner(System.in);
 int i = sc.nextInt();
 System.out.println("The number is: "+i);


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Insert input in Eclipse console - Java

Insert input in Eclipse console - Java


By : user3221301
Date : March 29 2020, 07:55 AM
fixed the issue. Will look into that further How about the stopServer() method containing all the shutdown logic, and making the shutdown command just another way to call the stopServer() method. That is way easier than sending the command to the console.
How to read Java byte code with Eclipse only in the console?

How to read Java byte code with Eclipse only in the console?


By : Santiago Lopez
Date : March 29 2020, 07:55 AM
To fix the issue you can do You can invoke the Eclipse compiler yourself from command line in the same way you use javac: you need the ECJ jar. For example, you can compile a class with:
code :
java -jar ecj-4.2.2.jar hello.java
javap -c -p -s -v hello
import java.io.RandomAccessFile;
import java.io.FileInputStream;
import java.io.DataInputStream;

import org.eclipse.jdt.internal.core.util.Disassembler;
import org.eclipse.jdt.core.util.ClassFormatException;

/**
 * ClassDump : show a classfile dump the same way as Eclipse
 */
class ClassDump {

    public static void main(String[] args){

        System.out.println("Class dumper");
        if(args.length != 1){
            System.out.println("Usage : Disasm <file.class>");
            System.exit(1);
        }

        new ClassDump(args[0]);
    }

    public ClassDump(String classfile){

        byte[] classbuf = readClassBytes(classfile);

        System.out.println(String.format("Class size = %d bytes", classbuf.length));

        Disassembler dis = new Disassembler();
        try {
            System.out.print(dis.disassemble(classbuf, "\n", org.eclipse.jdt.internal.core.util.Disassembler.DETAILED));
        } catch(ClassFormatException cfe){
            cfe.printStackTrace();
        }
    }

    private byte[] readClassBytes(String classfile){
        byte[] buf;

        try{
            RandomAccessFile raf = new RandomAccessFile(classfile,"r");
            FileInputStream fis = new FileInputStream(raf.getFD());
            DataInputStream dis = new DataInputStream(fis);

            buf =  new byte[(int)raf.length()];
            dis.readFully(buf);

            dis.close();
            fis.close();
            raf.close();

        } catch (Exception ex){
            ex.printStackTrace();
            return new byte[0];
        }           

        return buf;

    }
}
javac -cp \dev\tools\eclipse\plugins\org.eclipse.jdt.core_3.8.3.v20130121-145325.jar ClassDump.java
java -cp .;\dev\tools\eclipse\plugins\* ClassDump SomeClass.class
Java code not printing to console in Eclipse

Java code not printing to console in Eclipse


By : Michele Marconcini
Date : March 29 2020, 07:55 AM
it fixes the issue you have the while loop set to x < 0, it should be x > 0. The way you have it, it will never enter the while loop
Why does my code run faster in Eclipse console than in Eclipse's PyDev Python Console?

Why does my code run faster in Eclipse console than in Eclipse's PyDev Python Console?


By : user2434954
Date : March 29 2020, 07:55 AM
I hope this helps . Eclipse console is an overlay to pure system terminal and doesn't contain Java overhead for parsing a Python Console output. Try to do something similar after going to python interactive mode in system terminal (simply type python -> Enter). Probably you will see time somewhere in between your Console and PyDev Console time. Generally, your code will run in a terminal alike environment so don't bother that your PyDev Console is slow.
Terminating Eclipse console using Java Code

Terminating Eclipse console using Java Code


By : Doyle
Date : March 29 2020, 07:55 AM
hope this fix your issue System.out.flush() does a completely different thing - it doesn't terminate the current process, but flushes the OutputStream of the System class.
You can try with this statement:
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