补充一个java 程序 static int readKey()

显示全部楼层 · 2011-3-24 10:03:22

static int readKey() {

BufferedReader reader=new BufferedReader(new InputStreamReader(System.in));

try{

int n=reader.read();

——————————

}catch(_____){}
————————

}

//"___________"处可写入多行
要求输入1～5的某个数后可以返回1～5的这个数

千问 · 2011-3-24 10:03:22

static int readKey() {BufferedReader reader = new BufferedReader(new InputStreamReader(
System.in));try { int n = reader.read(); reader.close(); if (n >= 1 && n <= 5) {
return n; }
} catch (IOException e) { e.printStackTrace();}return -1; }

千问 · 2011-3-24 10:03:22

static int readKey(){
BufferedReader reader=new BufferedReader(new InputStreamReader(System.in));
try{
int n=reader.read();
char chr =(char)n

千问 · 2011-3-24 10:03:22

static int readKey() {BufferedReader reader = new BufferedReader(new InputStreamReader(
System.in));int key = 0;//实在想不出如果不加这个变量如何把那个局部变量n返回出去try { int n = read