编辑代码

import java.util.Scanner;
public class Main {
	public static void main(String[] args) {
        int cj;
        Scanner sc=new Scanner(System.in);
        System.out.println("请输入张三的考试成绩");
        cj=sc.nextInt();
        if(cj==100){
            System.out.println("买辆车");
        }else if(cj>=90){
            System.out.println("买手机");
        }else if(cj>=60){
            System.out.println("买本书");
        }else{
            System.out.println("挨打");
        }
	}
}