java常用代码段

package hello;

import java.util.Scanner;

public class charge {

	public static void main(String[] args) {
		// TODO Auto-generated method stub
		System.out.println("您好");
		Scanner in = new Scanner(System.in);
		int price = 0;
		int amount = 1000;//final int means const
		System.out.print("请输入总额：");
		amount=in.nextInt();
		System.out.print("请输入金额：");
		price=in.nextInt();
		System.out.println("找零："+amount+"-"+ price+"="+ (amount-price));// ""+a.b
	}

}

Scanner in = new Scanner(System.in);