Answer:
first the class declaration (the bit with class player)
then the object creation (myPlayer = player())
then assigning a value to a property (myPlayer.life=4)
Explanation:
You have to declare the class before you can use it.
You have to create an object before you can access its members.
Unclear why in the exercise second and first are swapped...?
Answer:
Java program is explained below
Explanation:
import java.util.HashSet;
import java.util.Map;
import java.util.TreeMap;
public class TruckRace1 {
public static HashSet<String> getPIDs (Map<String,String>nameToPID ){
HashSet<String> pidSet = new HashSet<>();
for(String ids: nameToPID.values()){
pidSet.add(ids);
}
return pidSet;
}
public static void main(String[] args) {
Map<String,String> pids = new TreeMap<>();
pids.put("John","123");
pids.put("Jason","124");
pids.put("Peter","125");
pids.put("Alice","126");
pids.put("Peny","129");
HashSet<String> ids = getPIDs(pids);
for(String id:ids){
System.out.println(id);
}
}
}
Answer:
When searching for articles using library databases, the following tips should increase the relevance of your results. Quotation marks around two or more keywords - phrase searching - ensures that the results will include the exact phrase.
Explanation:
