class second{
public void sw(){
System.out.println("2");
for(int i=0;i<8;i++){
System.out.println(i);
}
}
} public class first{
public static void main(String args[]){
for(int i=0;i<8;i++){
System.out.println("i="+i);
}
second sw = new second();
sw.sw();//调用才会执行!
}
}
public void sw(){
System.out.println("2");
for(int i=0;i<8;i++){
System.out.println(i);
}
}
} public class first{
public static void main(String args[]){
for(int i=0;i<8;i++){
System.out.println("i="+i);
}
second sw = new second();
sw.sw();//调用才会执行!
}
}
先要second sw = new second();以实例化
然后再用sw.~~~来调用