package com.itranswarp.learnjava; import java.util.Scanner; /** * 输入上次考试成绩(int)和本次考试成绩(int),然后输出成绩提高的百分比,保留两位小数位(例如,21.75%) */ public class Main { public static void main(String[] args) { int prev = 80; int score = 90; double percent = 0.1; Scanner scanner = new Scanner(System.in); System.out.println("Please input your prescore:"); prev = scanner.nextInt(); System.out.println("Please input your nowscore:"); score = scanner.nextInt(); percent = (score - prev)/100.0; System.out.printf("成绩提高了%.1f", percent); } }
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