编程实例

[weixin_44126679]

public class Test {
public static void main (String[] args){
int year=20;
double f=9.8;
int newYear=year+(int)f;//强制转换
System.out.println(newYear);
}
}
输出：29
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import java.util.Scanner;
public class Test1{
public static void main(String[] args) {
Scanner in=new Scanner(System.in);
System.out.println("请输入你的姓名：");
String name=in.next();//接收字符串变量
System.out.println("请输入你的年龄：");
int age=in.nextInt();//接收整型变量
System.out.println("姓名"+name);
System.out.println("年龄"+age);
}
}
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import java.util.Scanner;
public class Test1{
public static void main(String[] args) {
Scanner in=new Scanner(System.in);
System.out.println("请输入你的成绩：");
int score=in.nextInt();
System.out.println("分数"+score);
if (score>90){
System.out.println("奖励你一根棒棒糖");
}
System.out.println("正在测试");
}
}