basicoutput.java

java实现的税务计算器程序。中英文操作界面

//******************* start of BasicOutput.java
package basicIO;
import java.io.*;
public class BasicOutput {
   public BasicOutput() {
      output = new PrintWriter( System.out, true );
   }
   public BasicOutput( String f ) throws IOException {
      output = 
       new PrintWriter( new FileOutputStream( f ), true );
      diskFile = true;
   }
   public BasicOutput( String f, boolean a ) throws IOException {
      if ( a ) //*** append mode?
        output = 
         new PrintWriter( new FileOutputStream( f, true ), true );
      else
        output = 
         new PrintWriter( new FileOutputStream( f ), true );
      diskFile = true;
   }
   public void flush() throws IOException {
      output.flush();
   }
   public void close() throws IOException {
      if ( diskFile && output != null )
        output.close();
   }
   public void put( String s ) {
      output.print( s );
      output.flush();
   }
   public void putln( String s ) {
      output.println( s );
   }
   public void put( byte b ) {
      output.print( b );
      output.flush();
   }
   public void putln( byte b ) {
      output.println( b );
   }
   public void put( int i ) {
      output.print( i );
      output.flush();
   }
   public void putln( int i ) {
      output.println( i );
   }
   public void put( double d ) {
      output.print( d );
      output.flush();
   }
   public void putln( double d ) {
      output.println( d );
   }
   public void put( char c ) {
      output.print( c );
      output.flush();
   }
   public void putln( char c ) {
      output.println( c );
   }
   public void putln() {
      output.println();
   }
   protected PrintWriter output;
   private boolean diskFile;
}
//******************* end of BasicOutput.java