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用户5619697451

#1 Created at ... [Delete] [Delete and Lock User] 
import java.util.Scanner;

public class Main {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in); 
        System.out.print("恁上次考多少分: "); 
        double lastscore = scanner.nextInt(); 
        System.out.print("恁这次考多少分: "); 
        double finalscore = scanner.nextInt(); 
        double increaseratio = (finalscore - lastscore)/lastscore * 100;
        boolean isIncreaseratio = increaseratio >= 0;
        System.out.printf("%s, %.2f%%\n", isIncreaseratio ? "哟！提高了：" : "咦！负提高：", Math.abs(increaseratio)); // 格式化输出
    }
}

用户5619697451

#2 Created at ... [Delete] [Delete and Lock User] 
import java.util.Scanner;

public class Main {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in); 
        System.out.print("恁上次考多少分: "); 
        double lastscore = scanner.nextInt(); 
        System.out.print("恁这次考多少分: "); 
        double finalscore = scanner.nextInt(); 
        double increaseratio = （double)(finalscore - lastscore)/lastscore * 100;
        boolean isIncreaseratio = increaseratio >= 0;
        System.out.printf("%s %.2f%%\n", isIncreaseratio ? "哟！提高了：" : "咦！负提高：", Math.abs(increaseratio)); // 格式化输出
    }
}

用户5619697451

#3 Created at ... [Delete] [Delete and Lock User]

javac -encoding UTF-8 Main.java

用户5619697451

#4 Created at ... [Delete] [Delete and Lock User] 
import java.util.Scanner;

public class Main {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in); 
        System.out.print("恁上次考多少分: "); 
        double lastscore = scanner.nextDouble(); 
        System.out.print("恁这次考多少分: "); 
        double finalscore = scanner.nextDouble(); 
        double increaseratio = （double)(finalscore - lastscore)/lastscore * 100;
        boolean isIncreaseratio = increaseratio >= 0;
        System.out.printf("%s %.2f%%\n", isIncreaseratio ? "哟！提高了：" : "咦！负提高：", Math.abs(increaseratio)); // 格式化输出
    }
}
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