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package cn.nileader.calculate_OPP;
import java.util.Scanner;
/**
* ÕâÊÇÒ»¸öOPPµÄµÄ¼ÆËãÆ÷(¼Ó·¨ºÍ¼õ·¨)
* @author nileader
* @see http://www.nileader.cn
*/
public class Test {
public static void main(String[] args)throws Exception{
Scanner cin = new Scanner(System.in);
while(true){
System.out.println("ÇëÊäÈë±í´ïʽ£ºÈ磺8/2");
String expression = cin.next();
//ÊǸö¼Ó·¨ÔËËã
if( expression.indexOf("+") != -1) addition(expression);
else if( expression.indexOf("-") != -1) subtration(expression);
else System.out.println("³ÌÐòÖ»Ö§³Ö¼Ó·¨ºÍ¼õ·¨£¬Çë¼ì²é±í´ïʽ");
}
}
/**
* ¼Ó·¨ÔËËã 8/2
*/
static void addition (String expression){
String[] str = expression.split("\\+");
int data[] = new int[2];
data[0] = Integer.parseInt(str[0]);
data[1] = Integer.parseInt(str[1]);
System.out.println("= "+(data[0]+data[1]));
}
/**
* ¼õ·¨ÔËËã
*/
static void subtration(String expression){
String[] str = expression.split("\\-");
int data[] = new int[2];
data[0] = Integer.parseInt(str[0]);
data[1] = Integer.parseInt(str[1]);
System.out.println("= "+(data[0]-data[1]));
}
}

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package cn.nileader.calculate_ASOOP;
import java.util.Scanner;
/**
* ÕâÊÇÒ»¸ö¿´ÉÏÈ¥µÄOOPµÄµÄ¼ÆËãÆ÷(¼Ó·¨ºÍ¼õ·¨)£¬ºÜ¶àjava³õѧÕߵijÌÐò¡£
* @author nileader
* @see http://www.nileader.cn
*/
public class Test {
public static void main(String[] args)throws Exception{
Scanner cin = new Scanner(System.in);
while(true){
System.out.println("ÇëÊäÈë±í´ïʽ£ºÈ磺8/2");
String expression = cin.next();
//ÊǸö¼Ó·¨ÔËËã
Calculate cal = new Calculate(expression);
if( expression.indexOf("+") != -1) cal.addition(expressi


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