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package learnTest;
public class ClassLoader_learn {
public static void exchange(int a,int b){
int tem;
tem=a;
a=b;
b=tem;
System.out.println(a+"ssss"+b);
}
public static void exchange(int[] arr){
int tem=arr[0];
arr[0]=arr[1];
arr[1]=tem;
}
public static void main(String[] args) {
//Class.forName("ClassLoader_learn",true,ClassLoader_learn.class.getClassLoader());
int x=1;
int y=2;
exchange(x, y);
System.out.println(x+ " " +y);
int[] a={1,2};
exchange(a);
System.out.println(a[0]+" "+a[1]);
}
希望能帮到你!public class zxc {
public static void main(String[] args) {
Change sample = new Change();
sample.exchange();
System.out.println(sample.m+","+sample.n);
}
}
class Change{
long m = 1;
long n = 3;
void exchange(){
long tmp = 0;
tmp = m;
m = n;
n = tmp;
}
}