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InputScanner.java
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22 lines (22 loc) · 712 Bytes
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package JavaSE.API;
/*
1. 导包
import 包路径.类名称;
目标类与当前类在同一包下,可以省略导包语句
java.lang不需要导包(含有String)
2. 创建
类名称 对象名 = new 类名称();
3. 使用
对象名.成员方法名()
*/
import java.util.Scanner;
public class InputScanner {
public static void main(String[] args) {
//System.in 从键盘输入
Scanner keyboard = new Scanner(System.in);
int num = keyboard.nextInt(); // int nextInt()
String str = keyboard.next(); // String next()
//键盘输入永远是字符串,所以是next(), nextInt()是将字符串转换为int
System.out.println(num + str);
}
}