read csv
2015-11-27 11:18
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public void test3(String givenName){
if(nameMap.get(givenName)!=null) {
HashSet<String> numberSet = nameMap.get(givenName);
Iterator<String> it = numberSet.iterator();
while(it.hasNext()){
String number = it.next();
//print corresponding number
System.out.println(number);
if(numberMap.get(number)!=null) {
HashSet<String> nameSet = numberMap.get(number);
Iterator<String> nameIt = nameSet.iterator();
while(nameIt.hasNext()){
//print number's related name
System.out.println(nameIt.next());
}
}
}
}
public void test4(int N) {
HashMap<Integer, String> newCollection = new HashMap<Integer, String>();
Set<String> keySet = nameMap.keySet();
Iterator<String> tmpkeyIterator = keySet.iterator();
while(tmpkeyIterator.hasNext()){
String tmpName = tmpkeyIterator.next();
int nameMatchNumberSize = nameMap.get(tmpName).size();
newCollection.put(new Integer(nameMatchNumberSize), tmpName);
}
//print N smallest items
for(int i=1; i<=N; i++){
if(newCollection.get(new Integer(i))!=null) {
System.out.println(newCollection.get(new Integer(i)));
}
}
}
if(nameMap.get(givenName)!=null) {
HashSet<String> numberSet = nameMap.get(givenName);
Iterator<String> it = numberSet.iterator();
while(it.hasNext()){
String number = it.next();
//print corresponding number
System.out.println(number);
if(numberMap.get(number)!=null) {
HashSet<String> nameSet = numberMap.get(number);
Iterator<String> nameIt = nameSet.iterator();
while(nameIt.hasNext()){
//print number's related name
System.out.println(nameIt.next());
}
}
}
}
}
public void test4(int N) {
HashMap<Integer, String> newCollection = new HashMap<Integer, String>();
Set<String> keySet = nameMap.keySet();
Iterator<String> tmpkeyIterator = keySet.iterator();
while(tmpkeyIterator.hasNext()){
String tmpName = tmpkeyIterator.next();
int nameMatchNumberSize = nameMap.get(tmpName).size();
newCollection.put(new Integer(nameMatchNumberSize), tmpName);
}
//print N smallest items
for(int i=1; i<=N; i++){
if(newCollection.get(new Integer(i))!=null) {
System.out.println(newCollection.get(new Integer(i)));
}
}
}
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