代碼覆蓋在活動
我在清單 1 中創建了一個簡單的類以具體表述類層次的概念。一個給定的類可以有一連串的父類,例如 Vector,它的父類是 AbstractList,AbstractList 的父類又是 AbstractCollection,AbstractCollection 的父類又是 Object:
清單 1. 表現類層次的類
package com.vanward.adana.hierarchy;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Iterator;
public class Hierarchy {
private Collection classes;
private Class baseClass;
public Hierarchy() {
super();
this.classes = new ArrayList();
}
public void addClass(final Class clzz){
this.classes.add(clzz);
}
/**
* @return an array of class names as Strings
*/
public String[] getHierarchyClassNames(){
final String[] names = new String[this.classes.size()];
int x = 0;
for(Iterator iter = this.classes.iterator(); iter.hasNext();){
Class clzz = (Class)iter.next();
names[x++] = clzz.getName();
}
return names;
}
public Class getBaseClass() {
return baseClass;
}
public void setBaseClass(final Class baseClass) {
this.baseClass = baseClass;
}
}
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