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feiren
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class Welcomejava{
public static void main(String args[]) {
system.out.println("welcome java");}
}
编译出错，如下所示：
C:/j2sdk1.4.2_03>javac c:/Welcomejava.java
Welcomejava.java:4: package systemdo
es not exist
system.out.println("welcome java");}
public static void main(String args[]) {
system.out.println("welcome java");}
}
编译出错，如下所示：
C:/j2sdk1.4.2_03>javac c:/Welcomejava.java
Welcomejava.java:4: package systemdo
es not exist
system.out.println("welcome java");}