import java.util.HashSet;
import java.util.Iterator;
import java.util.Scanner;
import java.util.Set;
public class Test {
public static void main(String[] args){
Set<String> hashset = new HashSet<String>();
Scanner input = new Scanner(System.in);
for(int i=0;i<5;i++){
String s = input.nextLine();
hashset.add(s);
}
Iterator<String>it= hashset.iterator();
while(it.hasNext()){
System.out.println(it.next());
}
}
}iterator
import java.util.Iterator;
import java.util.Scanner;
import java.util.Set;
public class Test {
public static void main(String[] args){
Set<String> hashset = new HashSet<String>();
Scanner input = new Scanner(System.in);
for(int i=0;i<5;i++){
String s = input.nextLine();
hashset.add(s);
}
Iterator<String>it= hashset.iterator();
while(it.hasNext()){
System.out.println(it.next());
}
}
}iterator
解决方案 »
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