Examples of java.io.PrintStream.printf()

java.io.PrintStream.printf()
Prints a formatted string. The behavior of this method is the same as this stream's format(String format, Object... args) method.
The method uses the default for the current JVM instance locale, as if it is specified by the Locale.getDefault() call. @param format A format string. @param args The arguments list. If there are more arguments than those specified by the format string, then the additional arguments are ignored. @return This stream. @throws IllegalFormatException If the format string is illegal or incompatible with the arguments or the arguments are less than those required by the format string or any other illegal situation. @throws NullPointerException If the given format is null.

      }
    }
    
    t2 = System.currentTimeMillis();
    
    out.printf("existant lookup rate %6.2f%n", 500 / ((t2 - t1) / 1000.0));
    out.println("expected hits 500.  Receive hits: " + count);
    bmfr.close();
  }
}

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    /**
     * @tests java.io.PrintStream#printf(java.lang.String, java.lang.Object...)
     */
    public void test_printfLjava_lang_String$Ljava_lang_Object() {
        PrintStream os = new PrintStream(bos, false);
        os.printf("%s %s", "Hello", "World");
        os.flush();
        ByteArrayInputStream bis = new ByteArrayInputStream(bos.toByteArray());
        byte[] rbytes = new byte[11];
        bis.read(rbytes, 0, rbytes.length);
        assertEquals("Wrote incorrect string", "Hello World",

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     * @tests java.io.PrintStream#printf(java.util.Locale, java.lang.String,
     *        java.lang.Object...)
     */
    public void test_printfLjava_util_Locale_Ljava_lang_String_$Ljava_lang_Object() {
        PrintStream os = new PrintStream(bos, false);
        os.printf(Locale.US, "%s %s", "Hello", "World");
        os.flush();
        ByteArrayInputStream bis = new ByteArrayInputStream(bos.toByteArray());
        byte[] rbytes = new byte[11];
        bis.read(rbytes, 0, rbytes.length);
        assertEquals("Wrote incorrect string", "Hello World",

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      bmfw.append(new org.apache.accumulo.core.data.Key(new Text("r" + fi), new Text("cf2")), new Value(("v" + fi).getBytes()));
    }
    
    long t2 = System.currentTimeMillis();
    
    out.printf("write rate %6.2f\n", vals.size() / ((t2 - t1) / 1000.0));
    
    bmfw.close();
    
    t1 = System.currentTimeMillis();
    FileSKVIterator bmfr = FileOperations.getInstance().openReader(fname, false, fs, conf, acuconf);

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      }
    }
    
    t2 = System.currentTimeMillis();
    
    out.printf("random lookup rate : %6.2f\n", 5000 / ((t2 - t1) / 1000.0));
    out.println("hits = " + hits);
    
    int count = 0;
    
    t1 = System.currentTimeMillis();

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      }
    }
    
    t2 = System.currentTimeMillis();
    
    out.printf("existant lookup rate %6.2f\n", 500 / ((t2 - t1) / 1000.0));
    out.println("expected hits 500.  Receive hits: " + count);
    bmfr.close();
  }
}

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    try {
      Vertex v;
      Edge e;


      PrintStream out = new PrintStream(new FileOutputStream(file, false));
      out.printf("G,%s,%s,%s\n", isDirected(), animator.isEdgeWeightVisible(), animator.isEdgeFlowVisible());


      for(Integer i : vertices.keySet()) {
        v = vertices.get(i);
        out.printf("V,%d,%s,%s,%s,%d,%d\n", v.getId(), animator.getData(v.getId()), animator.getEastText(v.getId()), animator.getSouthText(v.getId()), animator.getX(v.getId()), animator.getY(v.getId()));
      }

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      PrintStream out = new PrintStream(new FileOutputStream(file, false));
      out.printf("G,%s,%s,%s\n", isDirected(), animator.isEdgeWeightVisible(), animator.isEdgeFlowVisible());


      for(Integer i : vertices.keySet()) {
        v = vertices.get(i);
        out.printf("V,%d,%s,%s,%s,%d,%d\n", v.getId(), animator.getData(v.getId()), animator.getEastText(v.getId()), animator.getSouthText(v.getId()), animator.getX(v.getId()), animator.getY(v.getId()));
      }


      for(Integer i : edges.keySet()) {
        e = edges.get(i);
        out.printf("E,%s,%d,%d,%d,%f,%f,%f\n", e.getClass().getName(),e.getId(), e.getStart().getId(), e.getEnd().getId(), e.getWeight(), e.getFlow(), e.getCapacity());

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        out.printf("V,%d,%s,%s,%s,%d,%d\n", v.getId(), animator.getData(v.getId()), animator.getEastText(v.getId()), animator.getSouthText(v.getId()), animator.getX(v.getId()), animator.getY(v.getId()));
      }


      for(Integer i : edges.keySet()) {
        e = edges.get(i);
        out.printf("E,%s,%d,%d,%d,%f,%f,%f\n", e.getClass().getName(),e.getId(), e.getStart().getId(), e.getEnd().getId(), e.getWeight(), e.getFlow(), e.getCapacity());
      }


      out.close();
    } catch(FileNotFoundException ex) {
      JOptionPane.showMessageDialog(canvas, "You do not have the necessary permissions to write to this file.", "Unable to Save", JOptionPane.ERROR_MESSAGE);

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  @Override
  public String toString() {
    ByteArrayOutputStream baoStream = new ByteArrayOutputStream( );
    PrintStream oStream = new PrintStream( baoStream);


    oStream.printf( "VILLAGE: %s (%d,%d)\n", name, coordX, coordY);
    oStream.printf( "Id: %d\n", id);
    oStream.printf( "Url: %s\n", url);
    oStream.println( "");


    if( currentStorageTimestamp.getTime() != 0) {

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