Scanner类
Scanner类属于java.util包
import java
.util
.Scanner
;
public class ScannerTest {
public static void main(String
[] args
) {
Scanner input
= new Scanner(System
.in
);
if(input
.hasNextInt()) {
System
.out
.println(input
.nextInt());
}
if(input
.hasNext()) {
System
.out
.println(input
.next());
}
}
}
hasNextXXX 判断输入的数据是否是XXX类型nextXXX 将输入的内容转为XXX类型(转换过程中有可能存在问题)
