findrange.java

斯坦福大学的Java课上的作业

/*
 * File: FindRange.java
 * Name: 
 * Section Leader: 
 * --------------------
 * This file is the starter file for the FindRange problem.
 */

import acm.program.*;

public class FindRange extends ConsoleProgram {
	/**
	 * 
	 */
	private static final long serialVersionUID = 1L;
	private static final int SENTINEL = 0;
	public void run() {
		
		int max = 0;
		int minimum = 0;
		int input = 0;
		
		println("this program finds the largest and smallest numbers");
		while (true){
			
			input = readInt("?");
			if (input == SENTINEL) break;			
			if(input < minimum){
				minimum = input;
			}
			
			if(input > max){
				max = input;
			}
				
		}
		
		if(minimum == max && minimum == 0){
			println("you did not enter any valid numbers");
		}
		else{
		println("smallest:" + minimum);
		println("largest:" + max);
		}
		
	}
}