看例子 ------------------------------------- package c08.TInterface;public interface TInterface { void prt(); void set(int i); int get(); } ------------------------------------- package c08.test;import c08.TInterface.TInterface;public class Testinterface2 implements TInterface { private int i;
public void prt(){ System.out.println(i); }
public void set(int i){ this.i=i; }
public int get() { return i; }
public static void main( String agrv[] ) { int i; Testinterface2 test = new Testinterface2(); test.set(10); test.prt(); i = test.get(); System.out.println(i); } }
一般是以域名倒着写来命名的,比如 abigfrog.com 就可以命名为
com.abigfrog.utils、com.abigfrog.tools……等等好象没这个说法吧
有的,建议查阅《JAVA编程思想(2e)》简体中文版第248页。
-------------------------------------
package c08.TInterface;public interface TInterface {
void prt();
void set(int i);
int get();
}
-------------------------------------
package c08.test;import c08.TInterface.TInterface;public class Testinterface2 implements TInterface {
private int i;
public void prt(){
System.out.println(i);
}
public void set(int i){
this.i=i;
}
public int get() {
return i;
}
public static void main( String agrv[] ) {
int i;
Testinterface2 test = new Testinterface2();
test.set(10);
test.prt();
i = test.get();
System.out.println(i);
}
}