HashCodeBuilder: reflectionHashCode(Object obj)
/*
One>>>ReflectionBuilderTrial@1a1c887[
name=Becker
age=35
]
Two>>>ReflectionBuilderTrial@a32b[
name=Becker
age=35
]
Three>>>ReflectionBuilderTrial@1d8957f[
name=Agassi
age=33
]
one equals two? true
one equals three? false
One HashCode>>> 462213092
Two HashCode>>> 462213092
Three HashCode>>> -530629296
*/
import org.apache.commons.lang.builder.EqualsBuilder;
import org.apache.commons.lang.builder.HashCodeBuilder;
import org.apache.commons.lang.builder.ToStringBuilder;
import org.apache.commons.lang.builder.ToStringStyle;
public class ReflectionBuilderTrial {
private String name = null;
private int age = 0;
public ReflectionBuilderTrial(String name, int age) {
this.name = name;
this.age = age;
}
public static void main(String[] args) {
ReflectionBuilderTrial one = new ReflectionBuilderTrial("Becker", 35);
ReflectionBuilderTrial two = new ReflectionBuilderTrial("Becker", 35);
ReflectionBuilderTrial three = new ReflectionBuilderTrial("Agassi", 33);
System.out.println("One>>>" + one);
System.out.println("Two>>>" + two);
System.out.println("Three>>>" + three);
System.out.println("one equals two? " + one.equals(two));
System.out.println("one equals three? " + one.equals(three));
System.out.println("One HashCode>>> " + one.hashCode());
System.out.println("Two HashCode>>> " + two.hashCode());
System.out.println("Three HashCode>>> " + three.hashCode());
}
public boolean equals(Object obj) {
return EqualsBuilder.reflectionEquals(this, obj);
}
public String toString() {
return ToStringBuilder.reflectionToString(this,
ToStringStyle.MULTI_LINE_STYLE);
}
public int hashCode() {
return HashCodeBuilder.reflectionHashCode(this);
}
}
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