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  • Java

    split()函数和trim()函数的使用方法


    本文地址: http://blog.csdn.net/caroline_wendy/article/details/24465141


    详细參考Java API: http://docs.oracle.com/javase/6/docs/api/java/lang/String.html


    split()函数是依据參数如",", "-", " "等, 切割String字符串, 返回一个String的数组(String[]), 能够通过索引指定元素.

    假设未找到, 则返回整个String字符串, 作为String数组(String[])的第0个元素.


    trim()函数是去掉String字符串的首尾空格;


    代码:

    /**
     * @author Spike
     * @time 2014.4.25
     */
    public class Split {
    	
    	public static void split() {
    		String details = "M 2.9 - 9km W of Alberto Oviedo Mota, Mexico"; 
    		String magnitudeString = details.split(" ")[1];
    		System.out.println(magnitudeString);
    		details = details.split(",")[1].trim();
    		System.out.println(details);
    	}
    	public static void main(String[] args) {
    		// TODO Auto-generated method stub
    		split();
    	}
    
    }

    输出:

    2.9
    Mexico
    




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  • 原文地址:https://www.cnblogs.com/blfbuaa/p/6823276.html
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