import java.io.* ;
public class Test1 {
public static void main (String args[]) {
System.out.print("Input:");
int i = 0 ;
try {
i = System.in.read();
}
catch(IOException e) {
e.printStackTrace();
}
System.out.println(i) ;
}
}
public class Test1 {
public static void main (String args[]) {
System.out.print("Input:");
int i = 0 ;
try {
i = System.in.read();
}
catch(IOException e) {
e.printStackTrace();
}
System.out.println(i) ;
}
}
public class Test1
{
public static void main (String args[])
{
Scanner scan=new Scanner(System.in);
System.out.print("Input:");
int i = 0 ;
i = scan.nextInt();
System.out.println(i) ;
}
}
import java.util.Arrays; //仅供显示用。
public class Test1
{
public static void main (String args[])
{
System.out.print("Input:");
int i = 0 ;
byte[] input=new byte[10]; //定义一个10个长度字节数组.
try
{
i = System.in.read(input); //从键盘接收输入,i是实际读入长度。
}
catch(IOException e)
{
e.printStackTrace();
}
int number=0;
for(int j=0;j<i-2;j++) //去掉回车换行。
{
number=number*10+((int)input[j]-48); //循环把ascii码转成数字。
}
System.out.println("input is "+Arrays.toString(input));
System.out.println("number is: "+number) ;
}
}