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标题:
TreeSet练习
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作者:
122125241
时间:
2015-7-8 15:10
标题:
TreeSet练习
package it.cast2;
import java.util.Comparator;
import java.util.Iterator;
import java.util.TreeSet;
public class TreeSetDemo {
public static void main(String[] args) {
Comparator<TestStudet> myComparetor = new Comparator<TestStudet>() {
@Override
public int compare(TestStudet o1, TestStudet o2) {
int result = o1.getAge() - o2.getAge();
if (result == 0) {
result = o1.getNameString().compareTo(o2.getNameString());
}
return result;
}
};
//MyComparetor myComparetor = new MyComparetor();
TreeSet<TestStudet> tSet = new TreeSet<>(myComparetor);
TestStudet testStudet = new TestStudet("1zhangsan", 23);
TestStudet testStudet1 = new TestStudet("1zhangsan2", 232);
TestStudet testStudet2 = new TestStudet("1zhangsan1", 232);
tSet.add(testStudet);
tSet.add(testStudet1);
tSet.add(testStudet2);
Iterator<TestStudet> iterator = tSet.iterator();
while (iterator.hasNext()) {
TestStudet testStudet3 = iterator.next();
System.out.println(testStudet3);
}
}
}
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