基础 if

[java]代码库

import java.util.Scanner;

public class code1 {
	public static void main(String[] args){
		Scanner in = new Scanner(System.in);
		System.out.print("请输入你的性别:");
		String sex=in.next();
		if(sex.equals("男")){
			System.out.println("请输入你的年龄:");
			int age=in.nextInt();
			if(age>=18){
				System.out.println("你成年了啊");
			}else{
				System.out.println("你还未成年啊");
			}
		}else{
			System.out.println("你是个女的啊");
		}
		System.out.println("请输入你的成绩:");
		int score=in.nextInt();
		if(score>=80){
			System.out.println("优秀");
		}else if(score>=70){
			System.out.println("良好");
		}else if(score>=60){
			System.out.println("及格");
		}else{
			System.out.println("不及格");
		}
	}
}