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📁 j-jdo的介绍性书籍
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<a name="navskip"></a><td height="25" colspan="4"><img alt="3.使用 JDO 的简单示例" src="imagemaster/titlebar3.jpg" border="0" height="25" width="562"></td>
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<td width="90%"><font size="4" face="Verdana, Arial, Helvetica"><b>创建地址类</b></font></td><td width="200" align="right"><font size="1" face="Verdana, Arial, Helvetica"><nobr>   第 4 页（共15 页）</nobr></font></td>
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<p>我们通过创建简单地址类来开始第一个练习。您会在以下代码样本中注意到我没有将类接口与实现分离开。尽管保持分离是更好的编程实践（即使在使用 JDO 时），但在本例中这样做没有任何价值，而且还会增加本教程的篇幅。我选择让代码尽可能的简洁。</p>
<pre>
<code style="font-family: Courier New, Courier, monospace; font-size: 12">
package com.stereobeacon.jdo.tutorial;

public class AddressImpl {
	public String addressLine1;
	public String addressLine2;
	public String city;
	public String state;
	public String zip;

	public AddressImpl(String addr1, String addr2, String city, String state, String zip){
		addressLine1=addr1;
		addressLine2=addr2;
		this.city=city;
		this.state=state;
		this.zip=zip;
	}

	public String getAddressLine1() {
		return addressLine1;
	}

	public void setAddressLine1(String addressLine1) {
		this.addressLine1 = addressLine1;
	}

	public String getAddressLine2() {
		return addressLine2;
	}

	public void setAddressLine2(String addressLine2) {
		this.addressLine2 = addressLine2;
	}

	public String getCity() {
		return city;
	}

	public void setCity(String city) {
		this.city = city;
	}

	public String getState() {
		return state;
	}

	public void setState(String state) {
		this.state = state;
	}

	public String getZip() {
		return zip;
	}

	public void setZip(String zip) {
		this.zip = zip;
	}

}
</code>
</pre>
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