import java.util.ArrayList;
public class ArraylistToTable {
public static void main(String[] args) {
ArrayListt = new ArrayList ();
String[] classes = {"健康クラス" ,"建築オンラインクラス",
"電気技師クラス"};
//obj 値を t
リストにコピー<文字列>al = (配列リスト<文字列>)toArrayList(classes);
//表示
for(int i=0; i < al .size(); i++)
System.out.println(al.get(i));
}
静的リスト toArrayList(T[] Array){
Listal = new ArrayList ();
for(T obj: テーブル)
al.add(obj);
return al;
}
}
import java.util.ArrayList;Output:
import java.util.Arrays;
import java.util.List;
public class ArraylistToTable {
public static void main(String[] args) {
String[] card = {"visaCard" ,"MasterCard" , "AmericanExpress"};
ArrayListal = new ArrayList (Arrays.asList(card));
//表示
for(int i=0; i < al.size(); i++)
System.out.println(al.get(i));
}
}
visaCardtype List 2つの問題があるためです:
MasterCard
AmericanExpress
List l = Arrays.asList(card);Output
//元の配列を編集
card[0]="Neteller";
for(int i=0; i < l.size(); i++)
System.out.println(l.get(i));
Neteller
MasterCard
AmericanExpress
import java.util.ArrayList;Output:
import java.util.Arrays;
import java.util.Collections;
import java.util.List;
public class ArraylistToTable {
public static void main(String[] args) {
Listal = new ArrayList ();
文字列[] titles = {"title1, title2, title3"};
Collections.addAll(al, titles);
//表示
for(int i=0; i < al.size(); i++)
System.out.println(al.get(i));
}
}
title1
title2
title3
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