IT8343的博客

public class VendingMachine { int price=80; int balance; int total; //函数重载：--------------------------------------- VendingMachine(int total) //构造函数 { this.total = total; } VendingMach...

时、秒 类：public class Display { private int value = 0; private int limit = 0; Display(int limit) { this.limit=limit; } void increase() { value++; if(value == limit) { value = 0;...

package notebook;import java.util.ArrayList;public class NoteBook { private ArrayList<String>notes = new ArrayList<String>(); private int size = 0; /*添加元素*/ public void add(Str...

package notebook;public class NoteBook{ public static void main(String[] args){ int [] ia = new int[10]; String[] a = new String[10]; ia[2]=ia[2]+10; System.out.println(ia[2]); ...

package notebook;import java.util.HashSet;public class NoteBook{ public static void main(String[] args){ HashSet<String> s =new HashSet<String>(); s.add("first"); s.add("sec...