ch1.txt

精通Java网络编程代码全部

/* 代码1-1
 * Created on 2005-5-14
 */
 
 //PackageTest.java
package pktest;
import pktest.subpk.*;
public class PackageTest
{
    private String value;
    public PackageTest(String s)
    {
        value = s;
    }
	
    public void printValue()
    {
	//打印出包信息
        System.out.println("Value of PackageTest is " + value);
    }
	
    public static void main(String[] args)
    {
	//获取包信息
        PackageTest test = new PackageTest("This is a Test Package");
        test.printValue();
        PackageSecond second = new PackageSecond("I am in PackageTest");
        second.printValue();
        PackageSub sub = new PackageSub("I am in PackageTest");
        sub.printValue();
        System.exit(0);
    }
}

PackageSecond.java

package pktest;

public class PackageSecond
{
    private String value;
	
    public PackageSecond(String s)
    {
	//赋值信息
        value = s;
    }
	
    public void printValue()
    {
        System.out.println("Value of PackageSecond is " + value);
    }
}

PackageSub.java

package pktest.subpk;

import pktest.*;

public class PackageSub
{
    private String value;
	
    public PackageSub(String s)
    {
        value = s;
    }
	
    public void printValue()
    {
        PackageSecond second = new PackageSecond("I am in subpackage.");
        second.printValue();
        System.out.println("Value of PackageSub is " + value);
    }
}

Main.java

import pktest.*;
import pktest.subpk.*;

public class Main()
{
    public static void main()
    {
        PackageSecond second = new PackageSecond("I am in Main");
	//打印第二个包的信息
        second.printValue();
        PackageSub sub = new PackageSub("I am in Main");
        sub.printValue();
        System.exit(0);
    }
}