import java.util.*;public class TestScanner { /** * @param args */ public static void main(String[] args) { // TODO Auto-generated method stub ArrayList<String> contents = new ArrayList<String>(); contents.add("aaa"); contents.add("bbb"); contents.add("ccc");
Scanner scan = new Scanner(System.in); String temp = scan.next();
if(contents.contains(temp)){ System.out.println(temp + " is in the List"); }else{ System.out.println("put "+temp + " into the List"); contents.add(temp); } }}
用集合类,ArrayList等查找,匹配的话,可以用Scanner类,也可以用正则表达式
import java.util.*;public class TestScanner { /**
* @param args
*/
public static void main(String[] args) {
// TODO Auto-generated method stub ArrayList<String> contents = new ArrayList<String>();
contents.add("aaa");
contents.add("bbb");
contents.add("ccc");
Scanner scan = new Scanner(System.in);
String temp = scan.next();
if(contents.contains(temp)){
System.out.println(temp + " is in the List");
}else{
System.out.println("put "+temp + " into the List");
contents.add(temp);
}
}}