Java_CH6_HW1

import java.util.*;

interface One
{
 int someMethod(int a, int b);
}

interface Two
{
 int anotherMethod(String s);
}

interface Three
{
 String oneMoreMethod(int a, int b);
}

// Interface which extends three other interfaces
//
interface MultipleInterface extends One, Two, Three
{
 void myMethod();
}

class Implement_Interface implements MultipleInterface
{
 public int someMethod(int a, int b)
 {
  return a + b;
 }
 // 兩數相加 ;

 public String oneMoreMethod(int a, int b)
 { // 傳入兩數相乘，判斷是否>20，是 傳回
  return (a * b) > 20 ? "Yes, you are right " + (a * b) : "No, you are worng " + (a * b);
 };

 public int anotherMethod(String s)
 {
  return s.length();
 }// 字串長度計算 } ;

 public void myMethod()
 { // 輸出 Do nothing at this moment } ;
  System.out.println("Do nothing at this moment");
 }
}

public class Java_CH6_HW1
{
 public static void main(String[] args)
 {
  int m, n, add1 = 0, sub1, mul1, div1;
  String s1 = "Today";
  Scanner sc = new Scanner(System.in);
  System.out.println(" Please enter two integer number ");
  m = sc.nextInt();
  n = sc.nextInt();
  Implement_Interface im = new Implement_Interface();
  s1 = im.oneMoreMethod(m, n);
  System.out.println("The addition is:" + im.someMethod(m, n));
  System.out.println("The string:" + s1 + " The string length:" + im.anotherMethod(s1));
  System.out.println(" Please enter a string ");
  Scanner sc1 = new Scanner(System.in);
  s1 = sc1.nextLine();
  System.out.println("The string:" + s1 + " The string length:" + im.anotherMethod(s1));
  im.myMethod();
 }
}