public class Arrays {
static int[] array1={1,3,5,7};
static int[] array2;
static void zhichuandi()//值传递
{
array2=array1;
for(int i=0;i<array1.length;i++)
{
System.out.print(array1[i]+" ");
}
for(int i=0;i<array2.length;i++)
{
System.out.print(array2[i]+" ");
}
}
static void copy()//复制array1给array2
{
array2=new int[array1.length];
for(int i=0;i<array2.length;i++)
{
if(i%2==0)
{
array2[i]=i;
}
else{
array2[i]=array1[i];
}
}
for(int i=0;i<array1.length;i++)
{
System.out.print(array1[i]+" ");
}
for(int i=0;i<array2.length;i++)
{
System.out.print(array2[i]+" ");
}
}
static void fanzhuan() //数组元素反转
{
for(int i=0;i<array1.length;i++)
{
System.out.print(array1[i]+" ");
}
for(int i=0;i<array1.length/2;i++)
{
int temp=array1[i];
array1[i]=array1[array1.length-1-i];
array1[array1.length-1-i]=temp;
}
for(int i=0;i<array1.length;i++)
{
System.out.print(array1[i]+" ");
}
}
public static void main(String[] args) {
zhichuandi();
System.out.println();
copy();
System.out.println();
fanzhuan();
}
}