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2010-06-01T05:18:46Z

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в 17:44, 31 мая 2010

2010-05-31T17:44:27Z

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== CompareTo Builder ==



<source lang="java">
/*
* ========================================================================
*
* Copyright 2005 Tim O"Brien.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* ========================================================================
*/
import org.apache.rumons.lang.builder.rupareToBuilder;
import org.apache.rumons.lang.builder.EqualsBuilder;
import org.apache.rumons.lang.builder.HashCodeBuilder;
import org.apache.rumons.lang.builder.ReflectionToStringBuilder;
class BuilderBean implements Comparable {
private String prop1;
private String prop2;
public String getProp1() {
return prop1;
}
public void setProp1(String pProp1) {
prop1 = pProp1;
}
public String getProp2() {
return prop2;
}
public void setProp2(String pProp2) {
prop2 = pProp2;
}
public String toString() {
return ReflectionToStringBuilder.toString(this);
}
public boolean equals(Object pObject) {
return EqualsBuilder.reflectionEquals(this, pObject);
}
public int compareTo(Object pObject) {
return CompareToBuilder.reflectionCompare(this, pObject);
}
public int hashCode() {
return HashCodeBuilder.reflectionHashCode(this);
}
}
public class MainClass {
public static void main(String[] pArgs) throws Exception {
// Builder and Builder2 contain the same content
BuilderBean builder = new BuilderBean();
builder.setProp1("One");
builder.setProp2("Two");
BuilderBean builder2 = new BuilderBean();
builder2.setProp1("One");
builder2.setProp2("Two");
BuilderBean builder3 = new BuilderBean();
builder3.setProp1("Uno");
builder3.setProp2("Dos");
System.out.println("builder compareTo builder2: " + builder.rupareTo(builder2));
System.out.println("builder compareTo builder3: " + builder.rupareTo(builder3));
}
}</source>



<pre class=codeResult>builder compareTo builder2: 0
builder compareTo builder3: -6</pre>

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Java Tutorial/Apache Common/CompareToBuilder - История изменений

Admin: 1 версия

в 17:44, 31 мая 2010