Tutorial Playlist
191 Lessons1. Introduction to Java
2. What is Java?
3. History of Java
4. Java Tutorial for Beginners
5. How Do Java Programs Work?
6. JDK in Java
7. C++ Vs Java
8. Java vs. Python
9. Java vs. JavaScript
10. From Java Source Code to Executable
11. How to Install Java in Linux
12. How to Install Java in Windows 10
13. Java Hello World Program
14. Structure of Java Program and Java Syntax
15. Operators in Java
16. Java If-else
17. Switch Case In Java
18. Loops in Java
19. Infinite loop in Java
20. For Loop in Java
21. For Each Loop in Java
22. Constructor in Java
23. Constructor Overloading in Java
24. Copy Constructor in Java
25. Default Constructor in Java
26. Parameterized Constructors in Java
27. Constructor Chaining In Java
28. Finalize Method in Java
29. Static Method in Java
30. Equals Method in Java
31. Abstract Method in Java
32. toString() Method in Java
33. Difference between equals method in Java
34. Inheritance in Java
35. Multiple Inheritance in Java
36. Hierarchical Inheritance in Java
37. Java Classes and Objects
38. Scanner Class in java
39. All classes in java are inherited from which class
40. What is Nested Class in Java
41. POJO Class in Java
42. Anonymous Class in Java
43. Final Class in Java
44. Object Class in Java
45. Packages in Java
46. Access Modifiers in Java
47. Static Keyword In Java
48. Final Keyword in Java
49. Checked and Unchecked Exceptions in Java
50. User Defined Exception in Java
51. Error vs. Exception in Java
52. Java Collection
53. Collections in Java
54. Garbage Collection in Java
55. Generics In Java
56. Java Interfaces
57. Functional Interface in Java
58. Marker Interface in Java
59. Streams in Java
60. Byte stream in java
61. File Handling in Java
62. Thread in Java
63. Thread Lifecycle In Java
64. Daemon Thread in Java
65. Thread Priority in Java
66. Deadlock in Java
67. String Pool in Java
68. Java Database Connectivity(JDBC)
69. Design Patterns in Java
70. Functional Programming in Java
71. OOP vs Functional vs Procedural
72. Heap Memory and Stack Memory in Java
73. Applet in Java
74. Java Swing
75. Java Frameworks
76. Hibernate Framework
77. JUnit Testing
78. How to Install Eclipse IDE for Java?
79. Command line arguments in Java
80. Jar file in Java
81. Java Clean Code
82. OOPs Concepts in Java
83. Java OOPs Concepts
84. Overloading vs Overriding in Java
85. Java 8 features
86. String in Java
87. String to int in Java
88. Why String Is Immutable in Java?
89. Primitive Data Types in Java
90. Non-Primitive Data Types in Java
91. This and Super Keyword in Java
92. HashMap in Java
93. Comparable And Comparator in Java
94. Type Casting in Java
95. Arrays Sort in Java with Examples
96. Variable Hiding and Variable Shadowing in Java
97. Enum in Java
98. Substring in Java
99. Pattern Programs in Java
100. Hashcode in Java
101. What is ByteCode in Java?
102. How To Take Input From User in Java
103. GCD of Two Numbers in Java
104. Linked List in Java
105. Arithmetic Operators in Java
106. Conditional Operators in Java
107. Stack and Queue in Java
108. Array Length in Java
109. Number Pattern Program in Java
110. Split in java
Now Reading
111. Map In Java
112. Difference Between Throw and Throws in Java
113. Difference Between Data Hiding and Abstraction
114. HashSet in Java
115. String Length in Java
116. Factorial Using Recursion in Java
117. DateFormat in Java
118. StringBuilder Class in java
119. Instance variables in Java
120. Java List Size
121. Java APIs
122. Reverse an Array in Java
123. StringBuffer and StringBuilder Difference in Java
124. Java Program to Add Two Numbers
125. String to Array in Java
126. Regular Expressions in Java
127. Identifiers in Java
128. Data Structures in Java
129. Set in Java
130. Pass By Value and Call By Reference in Java
131. Try Catch in Java
132. Bubble Sort in Java
133. Caesar Cipher Program in Java
134. Queue in Java
135. Object Creation in Java
136. Multidimensional Array in Java
137. How to Read a File in Java
138. String Comparison in Java
139. Volatile Keyword in Java
140. Control Statements in Java
141. Jagged Array in Java
142. Two-Dimensional Array in Java
143. Java String Format
144. Replace in Java
145. charAt() in Java
146. CompareTo in Java
147. Matrix Multiplication in Java
148. Static Variable in Java
149. Event Handling in Java
150. parseInt in Java
151. Java ArrayList forEach
152. Abstraction in Java
153. String Input in Java
154. Logical Operators in Java
155. instanceof in Java
156. Math Floor in Java
157. Selection Sort Java
158. int to char in Java
159. Stringtokenizer in java
160. Implementing and Manipulating Abs in Java
161. Char array to string in java
162. Convert Double To String In Java
163. Deque in Java
164. Converting a List to an Array in Java
165. The Max function in java
166. Removing whitespace from string in java
167. String arrays in Java
168. Strings in Java Vs Strings in Cpp
169. Sum of digits of a number in Java
170. Art of Graphical User Interfaces
171. Trim in Java
172. RxJava
173. Recursion in Java
174. HashSet Java
175. Difference Between Java and Python
176. Square Root in Java
177. Reverse A String in Java
178. Even Odd Program in Java
179. Fibonacci Series in Java
180. Prime Number Program in Java
181. Java Program to Print Prime Numbers in a Given Range
182. Java Leap Year Program
183. Swapping of Two Numbers in Java
184. LCM of Two Numbers in Java
185. Math.sqrt() Function in Java
186. Area of Triangle in Java
187. Sort a String In Java
188. Factorial Program in Java
189. Javafx
190. Lambda expression in java
191. Setup Java Home and IDE on macOS
In Java programming, working with strings is a common practice. Oftentimes, you may need to split a string into smaller parts based on specific delimiters or patterns. This is where the functionality "split()" in Java comes into play. The "split()" method allows you to break down a string into an array of substrings based on a specified delimiter or regular expression. In this blog, we will delve deep into the split in Javascript and learn how to effectively break strings with precision.
The "split()" method in Java is a versatile tool that enables you to divide strings into smaller segments. By specifying a delimiter or regular expression, you can split a string into an array of substrings. The resulting substrings are stored in an array, which you can then manipulate or use in your code as needed.
The split() method in Java allows you to split a string into an array of substrings based on a specified delimiter or regular expression. Let's explore the syntax of the split() method with examples to understand how it works.
The syntax of the split() method in Java is as follows:
The split() method takes two parameters: "regex" and "limit." The "regex" parameter represents the delimiter or regular expression used to split the string, while the "limit" parameter defines the maximum number of substrings to be created.
Example 1: Splitting a string with a space delimiter
Let's say we have a string that contains the names of three fruits separated by spaces: "apple banana cherry". We can use the split() method to split this string into an array of substrings based on the space delimiter.
public class StringSplitExample {
public static void main(String[] args) {
String fruits = "apple banana cherry";
String[] fruitArray = fruits.split(" ");
// Output: ["apple", "banana", "cherry"]
System.out.println(Arrays.toString(fruitArray));
}
}
In this example, the string "fruits" is split into substrings using the space delimiter. The resulting substrings are stored in the "fruitArray" array. The output of this code will be: ["apple", "banana", "cherry"].
The String split() method in Java is a built-in method that allows you to split a string into an array of substrings based on a specified delimiter or regular expression. This is a powerful tool for manipulating and processing strings in Java.
When you call the split() method on a string, it breaks the string into multiple substrings using the specified delimiter or regular expression as the splitting point. This results in substrings. The string is hence split, and substrings are stored in an array in Java, which you can access and manipulate as needed.
The split() method in Java provides two types of variants that allow you to split a string into substrings based on a specified delimiter or regular expression. Let's explore each with real-life examples and detailed explanations.
This variant of the split() method breaks the given string into an array of substrings based on the specified "regex" pattern. The "limit" parameter determines the maximum number of substrings to be created.
Let's consider a scenario where you have a sentence and want to split it into words, but you only want to retrieve the first three words. You can achieve this by using the split() method with a limit.
public class StringSplitExample {
public static void main(String[] args) {
String sentence = "I love to explore new places and try different cuisines";
// Splitting the sentence into words with a limit of 3 splits
String[] words = sentence.split(" ", 3);
// Printing the words
for (String word : words) {
System.out.println(word);
}
}
}
Output:
In this example, the string "sentence" represents a sentence that you want to split into words. By using the split() method with a space (" ") as the delimiter and a limit of 3, you ensure that only the first three words are extracted. The resulting words are stored in the "words" array and then printed.
This variant of the split in Java cuts the given string into an array of substrings based on the specified "regex" pattern. It does not impose any limit on the number of substrings created.
Consider a scenario where you have a URL string and want to split it into its components: protocol, domain, path, and query parameters. You can use the split() method without a limit to achieve this.
public class URLSplitExample {
public static void main(String[] args) {
String url = "https://www.example.com/path/to/resource?key1=value1&key2=value2";
String[] components = url.split("[/:?&]");
for (String component : components) {
System.out.println(component);
}
}
}
Output
In this example, the string "url" represents a URL you want to split into components. By using the split() method with a regular expression that matches the characters "/", ":", "?", and "&" as the delimiter, you can extract the individual components of the URL. The resulting components are stored in the "components" array and then printed.
To split a Java string by a dot (.), you can use the split() method with a regular expression. However, since the dot is a special character in regular expressions, you need to escape it using a backslash (). Here's an example:
public class StringSplitExample {
public static void main(String[] args) {
String text = "Hello.World. Java";
// Splitting the text by dot
String[] parts = text.split("\\.");
// Printing the parts
for (String part : parts) {
System.out.println(part);
}
}
}
Output:
In this example, we have a string text containing the value "Hello.World.Java." We want to split this string into separate parts based on the dot character.
We use the split() method with the regular expression \\. as the delimiter. The backslash is used to escape the dot and treat it as a literal character. Without escaping, the dot would be interpreted as a special character in regular expressions and would split on any character.
The resulting substrings (parts) are stored in the parts array. We then loop through the array and print each part.
The split(string in Java) is used to split a string into an array of substrings based on a specified delimiter or regular expression. Let's explore the various aspects of the split() method, including its internal implementation, signature, parameters, return value, exceptions, and usage, with real-life examples.
1. Internal implementation
The split() method is internally implemented using regular expressions. It uses the specified regular expression as a delimiter to split the input string into substrings. The substrings are then stored in an array, which is returned as the result.
2. Signature
The signature of the split() method in Java is as follows:
Public String[] split(String regex)
3. Parameter
The split() method takes a single parameter, which is the delimiter or regular expression used to split the string. The delimiter can be a simple string or a more complex regular expression pattern.
4. Returns
The split() method returns an array of strings that contains the substrings resulting from the split operation.
5. Throws
The split() method does not throw any exceptions.
6. Since
The split() method has been available since the beginning of Java and is supported in all versions.
The split() method in Java is a useful string manipulation method that allows you to split a string into an array of substrings based on a specified delimiter or regular expression. Let's explore how to use this in Java with examples.
Syntax:
Public string[] split(String regex)
Parameters: Java split(regex): The regular expression or delimiter used to split the string. It can be a simple string or a more complex regular expression pattern.
Returns: An array of strings containing the substrings obtained from the split operation.
Example:
public class StringSplitExample {
public static void main(String[] args) {
String data = "apple, banana, orange";
String[] fruits = data.split(",");
for (String fruit : fruits) {
System.out.println(fruit);
}
}
}
Output:
In this example, we have string data that represents a comma-separated list of fruits. By using the split() method with a comma (",") as the delimiter, we split the string into an array of substrings. Each fruit is then printed using a loop.
In this case, the split() method cuts the original string at each occurrence of the comma (",") and stores the resulting substrings in the fruits array. You can then process each substring in Java individually as needed.
The split() method provides a powerful way to extract information from strings by breaking them based on specific patterns. By using different delimiters or regular expressions, you can split strings in various ways to suit your application's requirements.
In this example, we have a sentence: "This is a sample sentence for the split method example." We want to split this sentence into words but only have to retrieve the first three words.
To achieve this, we use the split() method on the sentence string. The delimiter is specified as the regular expression \\s, which matches any whitespace character. The 3 in the split() method specifies the limit, indicating that we want to split the sentence into at most three substrings.
public class StringSplitExample {
public static void main(String[] args) {
String sentence = "This is a sample sentence for split method example";
// Splitting the sentence into words using space as a delimiter, limit to 3 splits
String[] words = sentence.split("\\s", 3);
// Printing the first three words
for (String word : words) {
System.out.println(word);
}
}
}
Output:
The resulting substrings (words) are stored in the words array. We then loop through the array and print each word.
Key Takeaways:
The split() functionality in Java provides a powerful way to break down strings with precision. By using delimiters or regular expressions, you can split strings into smaller substrings and manipulate them according to your requirements. Understanding the syntax and different variants of the split() method empowers you to effectively utilize this functionality in your Java programs. So go ahead and experiment with the split() method and unleash the full potential of string manipulation in Java.
1. How can I split a string into an array of substrings using a specific delimiter in Java?
Ans: You can use the "split()" method in Java, specifying the desired delimiter as the parameter. It will return an array of substrings based on the delimiter.
2. How can I limit the number of substrings generated when splitting a string in Java?
Ans: You can use the "split()" method with the "limit" parameter. By setting the limit, you can control the maximum number of substrings to be created during the split operation.
3. How can I split a string in Java based on a variable-length delimiter?
Ans: If you have a variable-length delimiter, you can construct the regular expression dynamically by using the Pattern.quote() method. This method ensures that any special characters within the delimiter are escaped properly in the regular expression.
PAVAN VADAPALLI
Director of Engineering
Director of Engineering @ upGrad. Motivated to leverage technology to solve problems. Seasoned leader for startups and fast moving orgs. Working …Read More
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upGrad does not grant credit; credits are granted, accepted or transferred at the sole discretion of the relevant educational institution offering the diploma or degree. We advise you to enquire further regarding the suitability of this program for your academic, professional requirements and job prospects before enr...