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public class VariableParameter {
public static void main(String[] args) {
System.out.println(add(1,2));
System.out.println(add(1,2,3,4));
}
public static int add(int x,int...args){
//ÊÇ3¸öµã£¬args±ØÐëÊÇ×îºó¡¢Ò»¸ö²ÎÊý¼´argsºóÃæ²»ÄÜÔÙÓÐÆäËû²ÎÊý
int sum = x;
for(int i=0; i< args.length ; i++){
sum = sum +args[i];
}
return sum;
}
}
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/**
* ShowExtending
* ÑÝʾ¼Ì³ÐʱµÄÏÖÏó
*/
class SupCls {
static String s1 = "¸¸ÀàÀà±äÁ¿s1";
String s2 = "¸¸ÀàʵÀý±äÁ¿s2";
SupCls(){
System.out.println("¸¸À๹ÔìÆ÷±»·ÃÎÊ");
}
public static void f1(){
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Exception in thread "main" java.lang.NoClassDefFoundError: HelloWorld/class
Caused by: java.lang.ClassNotFoundException: HelloWorld.class
at java.net.URLClassLoader$1.run(URLClassLoader.java:200)
  ......