165 - 数据类型判断

[java]代码库

import java.util.*;
public class Main {
	public static void main(String[] args) {
        Scanner scan = new Scanner(System.in);    
 
        String s = scan.nextLine();//以换行为结束
        String[] s1 = s.split("\\s+");//以空格分割字符串
        int i = 0, j = 0, k = 0;
        while( k < s1.length)
        {
        	if( k != 0 )
        		System.out.print(" ");
        	if(s1[k].contains("true") || s1[k].contains("false"))
        		System.out.print("boolean");
        	else if(s1[k].charAt(0)  >= 'A' && s1[k].charAt(0) <= 'Z')
        		System.out.print("String");
        	else if( s1[k].charAt(0)  >= 'a' && s1[k].charAt(0) <= 'z')
        		System.out.print("String");
        	else if( s1[k].contains("."))
        		System.out.print("double");
        	else
        		System.out.print("int");
        	k++;
        }
   }
}