import java.util.Scanner; //导入的Scanner的包,通过下面定义Scanner后ctrl+shift+o导入的
public class Test {
public static void main(String[] args) {
Scanner sc = new Scanner(System.in); //ctrl+shift+o 导入 java.util.Scanner的包
int a;
System.out.println("请输入一个整数:");
a = sc.nextInt(); //输入int型a的值
System.out.println("整数为:"+a);
String str;
System.out.println("请输入一个字符串:");
str = sc.nextLine(); //这个用来吸收上面a的值后输入的回车键符号
str = sc.nextLine(); //输入字符型(line)str的值
System.out.println("字符为:"+str);
float x;
x = sc.nextFloat();
System.out.println("x="+x);
double y;
y = sc.nextDouble();
System.out.println("y="+y);
}
}
Java input class Scanner
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Origin blog.csdn.net/zouchengzhi1021/article/details/113719351
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