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How to brake or split a string with a delimiter in java?


Below example shows how to split or brake a string. The split() method splits the string based on the given regular expression or delimiter, and returns the tokens in the form of array. Below example shows splitting string with space, and second split is based on any kind of spaces, that includes tab, enter, line breaks, etc.

package com.myjava.string;

public class MyStrSplit {

    public static void main(String a[]){
        String str = "This program splits a string based on space";
        String[] tokens = str.split(" ");
        for(String s:tokens){
		str = "This 	program  splits a string based on space";
		tokens = str.split("\\s+");

Example Output


Other String Function Examples

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When to use LinkedList or ArrayList?
Accessing elements are faster with ArrayList, because it is index based. But accessing is difficult with LinkedList. It is slow access. This is to access any element, you need to navigate through the elements one by one. But insertion and deletion is much faster with LinkedList, because if you know the node, just change the pointers before or after nodes. Insertion and deletion is slow with ArrayList, this is because, during these operations ArrayList need to adjust the indexes according to deletion or insetion if you are performing on middle indexes. Means, an ArrayList having 10 elements, if you are inserting at index 5, then you need to shift the indexes above 5 to one more.
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About Author

I'm Nataraja Gootooru, programmer by profession and passionate about technologies. All examples given here are as simple as possible to help beginners. The source code is compiled and tested in my dev environment.

If you come across any mistakes or bugs, please email me to [email protected].

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Reference: Java™ Platform Standard Ed. 7 - API Specification | Java™ Platform Standard Ed. 8 - API Specification | Java is registered trademark of Oracle.
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