Redirect I/O console in Java

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วิธี Redirect I/O console

PrintStream myPrintStream = new PrintStream(new myOutput()); System.setOut(myPrintStream); System.setErr(myPrintStream); ... class myOutput extends OutputStream {      public void write(int c) {          char a[] = new char[1];          a[0] = (char)c;          myProgram.this.myTextArea.append(new String(s)); }