How to Read Standard Output from Another Program

How to Read Standard Output from Another Program

In the java.lang package there exists a class called “Runtime”. With this class it is possible to get the runtimethread of your Java program.The exec method lets you create a new process from which you can get the standard output and input streams. The standard output stream of the newly created process is information flowing from the newly created process to your Java program. The standard input stream of the newly created process is information flowing from your program to the newly created process.

Here is a template of the source code:

 Public static void main(String[] args) {Process proc1;InputStream input;BufferReader in = null;PrintWriter out = null;try {      proc1 = Runtime.gettime().exec("full path of the _program");      input = proc1.getInputStream();      in = new BufferReader(new InputStreamReader(input));       out =new PrintWriter(proc1.getOutputStream());} catch (Exception e1)    e1.printStackTrace();}String line = "";try {      while ((line=in.readLine()) !=null) {          System.out.println("java:" + line);   }} catch (Exception e2) {    e2.printStackTrace();  }}
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