public class MyIfElse
{
public static void main(String args[])
{
int grade=0;
System.out.println("你的成绩是多少?(0-100)?");
try
{
BufferedReader br=new BufferedReader(new InputStreamReader(System.in));
grade=Integer.parseInt(br.readLine());
}catch(IOExcepetion ex){}
编译之后提醒 BufferedReader br=new BufferedReader(new InputStreamReader(System.in));找不到符号 怎么回事啊- -
{
public static void main(String args[])
{
int grade=0;
System.out.println("你的成绩是多少?(0-100)?");
try
{
BufferedReader br=new BufferedReader(new InputStreamReader(System.in));
grade=Integer.parseInt(br.readLine());
}catch(IOExcepetion ex){}
编译之后提醒 BufferedReader br=new BufferedReader(new InputStreamReader(System.in));找不到符号 怎么回事啊- -
import java.io.IOException;
import java.io.InputStreamReader;
public class MyIfElse {
public static void main(String args[]) {
int grade = 0;
System.out.println("你的成绩是多少?(0-100)?");
try {
BufferedReader br = new BufferedReader(new InputStreamReader(
System.in));
grade = Integer.parseInt(br.readLine());
br.close();
System.out.println("Your input is "+grade);
} catch (IOException ex) {
}
}
}
import java.io.IOException;
import java.io.InputStreamReader;public class MyIfElse {
public static void main(String args[]) {
int grade = 0;
System.out.println("你的成绩是多少?(0-100)?");
try {
BufferedReader br = new BufferedReader(new InputStreamReader(
System.in));
grade = Integer.parseInt(br.readLine());
} catch (IOException ex) {
}
}
}
你没有引入包,当然找不到BufferedReader符号啦!
{
public static void main(String args[])
{
int grade=0;
System.out.println("你的成绩是多少?(0-100)?");
try
{
BufferedReader br=new BufferedReader(new InputStreamReader(System.in));
grade=Integer.parseInt(br.readLine());
}
catch(IOException ex)
{}
}
}