第七章 11_示例_1

来源：互联网发布：手机网络电视直播软件编辑：程序博客网时间：2024/05/22 12:19

鱼欲遇雨：每日都学习一点，持之以恒，天道酬勤！不能用电脑时，提前补上！（2012.8.31）

// TestArgsWords.javaimport java.util.*;public class TestArgsWords {//private static final Integer ONE = new Integer(1);private static final Integer ONE = 1;public static void main(String args[]) {Map<String, Integer> m = new HashMap<String, Integer>();for(int i = 0; i < args.length; i ++) {//int freg = (Integer)m.get(args[i]) == null ? 0 : (Integer)m.get(args[i]);int freg = m.get(args[i]);m.put(args[i], freg == 0 ? ONE : freg + 1);//m.put(args[i], freg == null ? ONE ://new Integer(freg.intValue() + 1));}System.out.println(m.size() + " distinct words detected:");System.out.println(m);}}/*import java.util.*;public class TestArgsWords {private static final Integer ONE = new Integer(1);public static void main(String args[]) {Map m = new HashMap();for(int i = 0; i < args.length; i ++) {Integer freg = (Integer)m.get(args[i]);m.put(args[i], freg == null ? ONE :new Integer(freg.intValue() + 1));}System.out.println(m.size() + " distinct words detected:");System.out.println(m);}}*/