作业1：
源码：
package net.day0623;
public class Text1 {
public static void main(String[] args) {
// 定义变量
String name = "小明";
int age = 25;
int workAge = 3;
int projectCount = 5;
String IT = "JAVA";
String hobby = "篮球";
// 输出信息
System.out.println("这个同学的姓名是："+name);
System.out.println("年龄是："+age);
System.out.println("工作了"+workAge+"年了");
System.out.println("做过"+projectCount+"个项目");
System.out.println("技术方向是："+IT);
System.out.println("兴趣爱好："+hobby);
}
}
运行结果：
作业2：
源码：
package net.day0623;
import java.util.Scanner;
public class Text2 {
// 定义键盘输入
static Scanner input = new Scanner(System.in);
public static void main(String[] args) {
// 提示输入信息并且获取输入信息，输出信息
System.out.println("请输入4位会员卡号：");
int num = input.nextInt();
System.out.println("会员卡号：" + num);
}
}
运行结果：
作业3：
源码：
package dome1;
import java.util.Scanner;
public class test {
public static void main(String[] args) {
System.out.print("请输入四位会员卡号：");
Scanner input = new Scanner(System.in);
int no = input.nextInt();
System.out.println("会员卡号："+no);
int input1 = no%10;
int input2 = no/10%10;
int input3 = no/100%10;
int input4 = no/1000;
System.out.println("千位数："+input4+"，百位数："+input3+"，百位数："+input2+"，个位数："+input1);
int num = input1 + input2 + input3 + input4;
System.out.println("会员卡号"+ no +"各位之和:"+ num);
}
}
运行结果：
作业4：
源码：
package dome1;
import java.util.Scanner;
public class test {
public static void main(String[] args) {
System.out.print("请输入四位会员卡号：");
Scanner input = new Scanner(System.in);
int no = input.nextInt();
System.out.println("会员卡号："+no);
int input1 = no%10;
int input2 = no/10%10;
int input3 = no/100%10;
int input4 = no/1000;
System.out.println("千位数："+input4+"，百位数："+input3+"，百位数："+input2+"，个位数："+input1);
int num = input1 + input2 + input3 + input4;
System.out.println("会员卡号"+ no +"各位之和:"+ num);
if(num >20) {
System.out.println("会员卡号"+no+"的会员，恭喜您中奖了！奖品是MP3！");
}else {
System.out.println("会员卡号"+no+"的会员，很遗憾您未中奖！");
}
}
}
运行结果：
