rationalnumber.java

一些Java的小的应用程序

/**约分运算*/
import java.io.BufferedReader;
import java.io.InputStreamReader;


public class Rationalnumber {
	public static void main (String args[]){
		try{BufferedReader input=new BufferedReader
			(new InputStreamReader(System.in));
		System.out.println("输入被除数：");
		int numerator=Integer.parseInt(input.readLine());
		System.out.println("输入除数：");
		int denominator=Integer.parseInt(input.readLine());
		System.out.println("你输入的算式是："+numerator+"/"+denominator);
		int gcd=gcd(numerator,denominator);
		numerator/=gcd;
		denominator/=gcd;
		System.out.println("结果是："+numerator+"/"+denominator);
}catch(Exception e){
	System.out.println("ERROR!");
}}public static int gcd(int m,int n){
	if(n==0)return m;
	else return gcd(n,m%n);
}}