我已经创建了两个数组。我加了起来。然后,我希望通过定义一个方法来打印出新的阵列。但该方法无法打印数组。我的代码中的错误在哪里?ArrayList的不打印出来
package stringpractice;
import java.util.LinkedList;
import java.util.List;
public class StringPractice {
public static void main(String[] args) {
String[] boy = {"John", "Russel", "Ryan"};
List<String> l1 = new LinkedList<String>();
for (String x : l1) {
l1.add(x);
}
String[] girl = {"Sara", "Leena", "Emilia"};
List<String> l2 = new LinkedList<String>();
for (String y : l2) {
l2.add(y);
l1.addAll(l2);
l2 = null;
printMe(l1);
/*removeStuff(l1, 1,2);
reverseMe(l1);
*/
}
}
public static void printMe(List<String> l1) {
for (String p : l1) {
System.out.printf("%s ", p);
}
System.out.println();
}
}
确切地说,它有帮助。 – SomeOneSomewhere 2014-09-22 11:33:11