}
class ShowBox{
void show(Box b){
System.out.println(b.length+\ \ } }
class TestTwo{
public static void main(String args[]){
Box a = new Box(); a.set(3,4,5);
ShowBox sbox = new ShowBox(); sbox.show(a); } }
6.
class One{ int a = 5;
void showB(){
int a = 3;
int b = this.a;
System.out.println(\ } }
public class ThisOne{
public static void main(String args[]){
One test = new One(); test.showB(); } }
7.
class Mystatic{ private int x=3;
public static void showx(){ System.out.println(\ }
public static int add(int m){ return m+x; } }
class UseMystatic{
public static void main(String args[]){ Mystatic.showx();
System.out.println(\ } }
8.
class Point { int x; int y;
Point(){ x=0; y=0;
//this(1,1); }
Point(int a,int b){ x=a; y=b; }
void show(){
System.out.println(\ y=\ } }
public class UsePoint
{
public static void main(String args[]){ Point p = new Point(); p.show(); } }
9.
class Point{ private int x,y;
Point(){ x=1; y=3; }
void showPoint(Point t){ }
public class UsePointThis { }
public static void main(String args[]){ Point p=new Point(); }
p.seeit();
System.out.println(\ y=\ } void seeit(){ showPoint(this); }
10
class Point{
static int x=2; int y=0; }
public class UseStatic{
public static void main(String args[]){
System.out.println(\利用类调用静态变量\ System.out.println(\
//System.out.println(\ Point p1=new Point();
System.out.println(\利用对象调用\ System.out.println(\ System.out.println(\
Point p2=new Point();
p2.y=3;
System.out.println(\对象p1中y的值\ System.out.println(\对象p2中y的值\ p1.x=6;
System.out.println(\对象p1中x的值\ System.out.println(\对象p2中x的值\ } }
