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| Java结业实验复习资料题目大全 PDF 下载 
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		Problem 01 
		Given a positive integer num, return its length. You may assume that num 
		is int type. 
		Code 
		package com.exp; 
		import java.util.Scanner; 
		public class IntNumLength { 
		public static void main(String[] args) { 
		Scanner sc = new Scanner(System.in); 
		System.out.print("请输入一个整数: "); 
		int param = sc.nextInt(); 
		sc.close(); 
		int len = String.valueOf(param).length(); 
		System.out.print(param + "的长度为 " + len); 
		} } 
		Operation results 
		请输入一个整数: 44 
		44 的长度为 2 
		请输入一个整数: 357 
		357 的长度为 3 
		请输入一个整数: 3424243 
		3424243 的长度为 7 
		Problem 02 
		Given a positive integer num, output each digit of it from left to right. You 
		may assume that num is int type. 
		Code 
		package com.exp; 
		import java.util.Scanner; 
		public class IntSingleDigit { 
		public static void main(String[] args) { 
		Scanner sc = new Scanner(System.in); 
		System.out.print("请输入一个整数: "); 
		int param = sc.nextInt(); 
		sc.close(); 
		System.out.print("输入整数的单个数字为: "); 
		String str = String.valueOf(param); 
		for (int i = 0; i < str.length(); ++i) { 
		System.out.print(str.charAt(i) + " "); 
		} } } | 



 
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