java 多线程

多线程：1.implements Runnable2.extends Threadpackage com.lhj.java;public class Test {        public static void main(String[] args) throws Exception {                new Thread(new RRR()).start();                               for (int i = 1; i <= 100; i++) {                        System.out.println("main......."+i);                }                       }}class RRR implements Runnable{      //或改成extends Thread        public void run() {                for(int i=1000;i<=1100;i++){                        System.out.println("run---------"+i);                }        }       }---------------------------------main.......1main.......2main.......3main.......4run---------1000main.......5run---------1001run---------1002run---------1003run---------1004run---------1005run---------1006run---------1007run---------1008run---------1009run---------1010run---------1011run---------1012run---------1013run---------1014run---------1015run---------1016run---------1017run---------1018run---------1019run---------1020run---------1021run---------1022run---------1023run---------1024run---------1025run---------1026run---------1027run---------1028run---------1029run---------1030run---------1031run---------1032run---------1033run---------1034run---------1035run---------1036run---------1037run---------1038run---------1039run---------1040run---------1041run---------1042run---------1043run---------1044run---------1045run---------1046run---------1047run---------1048run---------1049run---------1050run---------1051run---------1052run---------1053run---------1054run---------1055run---------1056run---------1057run---------1058run---------1059run---------1060run---------1061run---------1062run---------1063run---------1064run---------1065run---------1066run---------1067run---------1068run---------1069run---------1070run---------1071run---------1072run---------1073run---------1074run---------1075run---------1076run---------1077run---------1078run---------1079run---------1080run---------1081run---------1082run---------1083run---------1084run---------1085run---------1086run---------1087run---------1088run---------1089run---------1090run---------1091run---------1092run---------1093run---------1094run---------1095run---------1096run---------1097run---------1098main.......6run---------1099main.......7run---------1100main.......8main.......9main.......10main.......11main.......12main.......13main.......14main.......15main.......16main.......17main.......18main.......19main.......20main.......21main.......22main.......23main.......24main.......25main.......26main.......27main.......28main.......29main.......30main.......31main.......32main.......33main.......34main.......35main.......36main.......37main.......38main.......39main.......40main.......41main.......42main.......43main.......44main.......45main.......46main.......47main.......48main.......49main.......50main.......51main.......52main.......53main.......54main.......55main.......56main.......57main.......58main.......59main.......60main.......61main.......62main.......63main.......64main.......65main.......66main.......67main.......68main.......69main.......70main.......71main.......72main.......73main.......74main.......75main.......76main.......77main.......78main.......79main.......80main.......81main.......82main.......83main.......84main.......85main.......86main.......87main.......88main.......89main.......90main.......91main.......92main.......93main.......94main.......95main.......96main.......97main.......98main.......99main.......100