???Java??????????????JAR??
???????????? ???????[ 2015/1/5 10:36:38 ] ??????????????? java
????Java ?????????Java????б?????????“???????????????????Java???????????????????API”???????????????????????????????????“????????????????????????”????????????rt.jar??????boot?????????????classpath?е???????????????????
??????????????????????????????classpath?е????????Java??ó???????????????????JAR?????????????????????????????Щ???????????Щ?????????????????и????????
??????????????????????????????????????????jar?????????????????????????.jar??????ζ??????classpath?е?jar?????????????????????????????????????????в????
??????????Щ?????????????Щ???????????????????????δ????????????HelloWorld??????main??ó????е?Main??Main???????main?????????HelloWorld??
????HelloWorld.java
public class HelloWorld
{
@Override
public String toString()
{
return "Hello?? World!";
}
}
|
????Main.java
import static java.lang.System.out;
public class Main
{
public static void main(final String[] arguments)
{
out.println(new HelloWorld());
}
}
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