class love{
public static void main(String[] args){
System.out.println(" love !");
}
}w2000sever编译后出现此错误
java.lang.NullPointerException
at java.util.Hashtable.put(Compiled Code)
at java.util.zip.ZipFile.readCEN(Compiled Code)
at java.util.zip.ZipFile.<init>(ZipFile.java:61)
at java.util.zip.ZipFile.<init>(ZipFile.java:71)
at sun.tools.java.ClassPath.<init>(Compiled Code)
at sun.tools.javac.Main.compile(Compiled Code)
at sun.tools.javac.Main.main(Main.java:465)
public static void main(String[] args){
System.out.println(" love !");
}
}w2000sever编译后出现此错误
java.lang.NullPointerException
at java.util.Hashtable.put(Compiled Code)
at java.util.zip.ZipFile.readCEN(Compiled Code)
at java.util.zip.ZipFile.<init>(ZipFile.java:61)
at java.util.zip.ZipFile.<init>(ZipFile.java:71)
at sun.tools.java.ClassPath.<init>(Compiled Code)
at sun.tools.javac.Main.compile(Compiled Code)
at sun.tools.javac.Main.main(Main.java:465)
public class HelloWorldApp { //an application public static void main (String args[ ]){ System.out.println("Hello World!"); } }
运行 javac a.java 时出错 求助
pubulic class
^
javac HelloWorldApp.java
import java.applet.Applet;
import java.awt.Graphics;
public class HelloWord extends Applet
{
String title;
public void init(){
title="Hello World";
}
public void paint(Graphics g)
{
g.drawString(title,50,20);
}
}这个也是一样的问题
你怎么到处问啊,你的public拼错了!运行 javac a.java 时出错 求助
pubulic class
~~~~~~~^