ex6_7.java

Java与面向对象程序设计实验教学讲义.复数类的实现,复数类的复杂运算,身份证号码的分析,图形界面设计

import java.io.*;
class Ex6_7{
  public static void main ( String[] args ) {
    String fileName = "c:/data1.dat" ;
     int value0  = 255, value1  = 0, value2 = -1;
     try {
        DataOutputStream out = new DataOutputStream(
                                        new FileOutputStream( fileName  ) );
        out.writeInt( value0 );
        out.writeInt( value1 );
        out.writeInt( value2 );
        out.close();
      }
      catch ( IOException iox ){
         System.out.println("Problem writing " + fileName );   }
      }
 }