Java引入和使用scanner，java引入scanner,/** Entering

Java引入和使用scanner，java引入scanner,/** Entering

/** Entering numbers */import java.util.Scanner; //int x;double x;long x;System.out.print("Enter a number: ");Scanner sc = new Scanner(System.in);x = sc.nextInt();//--------------------------------------------------------------------------------------/** Entering single Characters */public static void main(String[] args) throws Exceptionchar ch1;System.out.print("Enter a character: ");ch1 = (char)System.in.read();System.in.read();System.in.read();//--------------------------------------------------------------------------------------/** Entering String */import java.io.*;public static void main(String[] args) throws IOExceptionString x;BufferedReader br = new BufferedReader(new InputStreamReader(System.in));x = br.readLine();//--------------------------------------------------------------------------------------/** Entering Arrays */int[] x = new int[5];//ORdouble[][] sales = new double[6][7];//ORString[] names={"Baaqee","Talgie","James","Tyler","John"};//ORString[][] employees = {{"Sara", "CEO"},            {"Karl", "Overlord"},            {"Edward", "Bagger"}};