一个字符 import java.io.*; public class OneChar{ public static void main(String[] args){ char c = ' '; System.out.print("Enter a character please:"); try{ c = (char)System.in.read(); }catch(IOException e){}; System.out.println("You entered a character: "+ c); } }
jdk1.5中有个Scanner类,用他就行了,参考下面的代码,输入a和b,计算a+b的值。import java.io.*; import java.util.*; public class Main { public static void main(String args[]) throws Exception { Scanner cin=new Scanner(System.in); int a = cin.nextInt(), b = cin.nextInt(); System.out.println(a + b); } }
大哥,我怀疑你是不是懂啊,怎么实现要的就是键盘输入,你还把键盘输入当前提了一样
Scanner sc = new Scanner(System.in)
http://www.java2s.com/ExampleCode/CatalogExampleCode.htm
import java.io.*;
public class OneChar{
public static void main(String[] args){
char c = ' ';
System.out.print("Enter a character please:");
try{
c = (char)System.in.read();
}catch(IOException e){};
System.out.println("You entered a character: "+ c);
}
}
import java.util.*;
public class Main
{
public static void main(String args[]) throws Exception
{
Scanner cin=new Scanner(System.in);
int a = cin.nextInt(), b = cin.nextInt();
System.out.println(a + b);
}
}