多重和嵌套if

多重if实例:

看例子，内容不解释了！

隐藏行号复制代码？多重if

```
import java.util.Scanner;
```
```
public class 多重if{
```

    public static void main(String[] args){

        Scanner input= new Scanner(System.in);

        System.out.print("请输入成绩");

```
        int i=input.nextInt();
```
```
        if(i>=90){
```
```
            System.out.print("优秀");
```
```
        }else if(i>=80){
```
```
            System.out.print("良好");
```
```
        }else if(i>=60){
```
```
            System.out.print("一般");
```
```
        }else{
```
```
            System.out.print("差");
```
```
        }
```
```
    }
```
```
}
```

.src_container{background-color:#e7e5dc; width:99%; overflow:hidden; margin:12px 0 12px 0 !important; padding:0px 3px 3px 0px}
.src_container .titlebar{ background-color:#d4dfff; border:1px solid #4f81bd; border-bottom:0; padding:3px 24px; margin:0; width:auto; line-height:120%; overflow:hidden; text-align:left; font-size:12px}
.src_container .toolbar{ display:inline; font-weight:normal; font-size:100%; float:right; cursor:hand; color:#00f; text-align:left; overflow:hidden}
.toolbar span.button{ display:inline; font-weight:normal; font-size:100%; cursor:hand; color:#00f; text-align:left; overflow:hidden; cursor:pointer;}
.src_container div.clientarea{ background-color:white; border:1px solid #4f81bd; margin:0; width:auto !important; width:100%; height:auto; overflow:auto; text-align:left; font-size:12px; font-family: "Courier New","Consolas","Fixedsys",courier,monospace,serif}
.src_container ol.mainarea{ padding:0 0 0 52px; margin:0; background-color:#f7f7ff !important}
.number_show{ padding-left:52px !important; list-style:decimal outside !important}
.number_show li{ list-style:decimal outside !important; border-left:1px dotted #4f81bd}
.number_hide{ padding-left:0px !important; list-style-type:none !important}
.number_hide li{ list-style-type:none !important; border-left:0px}
ol.mainarea li{ display:list-item !important; font-size:12px !important; margin:0 !important; line-height:18px !important; padding:0 0 0 0px !important; background-color:#f7f7ff !important; color:#4f81bd}
ol.mainarea li pre{color:black; line-height:18px; padding:0 0 0 12px !important; margin:0em; background-color:#fff !important}
.linewrap ol.mainarea li pre{white-space:pre-wrap; white-space:-moz-pre-wrapwhite-space:-pre-wrap; white-space:-o-pre-wrap; word-wrap:break-word}
ol.mainarea li pre.alt{ background-color:#f7f7ff !important}

嵌套if实例：

隐藏行号复制代码？嵌套if

```
import java.util.*;
```
```
public class 嵌套if{
```

    public static void main(String[] args){

        Scanner i=new Scanner(System.in);

        System.out.print("请输入你的姓名：");

```
        String name=i.next();
```

        System.out.print("您的性别：");

```
        String sex=i.next();
```

        //System.out.print("请输入你的年龄：");

```
        //int age=i.nextInt();
```
```
        if(sex.equals("男")){
```

            System.out.print("请输入你的年龄：");

```
            int age=i.nextInt();
```
```
            if(age>=18){
```

                System.out.print("欢迎"+name+"先生！");

```
            }else{
```

                System.out.print("对不起，"+name+"朋友，你还未成年，请自觉退出！");

```
            }
```
```
        }else{
```

            System.out.print("尊敬的"+name+"女士，这里是男士VIP");

```
        }
```
```
    }
```
```
}
```

以下为输出结果，很有趣吧！

多重和嵌套if

时间： 2024-10-25 08:21:35

多重和嵌套if

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