package com.howtodoinjava.demo.serialization; import java.io.*; import java.util.logging.Logger; public class DemoClass implements java.io.Serializable { private static final long serialVersionUID = 4L; //Default serial version uid private static final String fileName = "DemoClassBytes.ser"; /...
As we can see above, after compiling our regular expression into aPattern, we can usePattern’smatcher()method to interpret ourStringaccording to that regex. We’re then able to group the results and return the first one, which is our truncatedString. Now let’s add a test case to verif...
Another effective way to convert a boolean to a string in Java is by using the Boolean.toString() method. This method is specifically designed for boolean values and returns the string representation of the boolean. Here’s a quick example: boolean flag = false; String result = Boolean.toStri...
#How to convert BigDecimal to String with an example in Java? In Java, we can convertBigDecimaltoStringin multiple ways. The first way with thetoStringmethod, and the second with thetoEngineeringStringmethod. The third way, use the simpletoPlainStringmethod. #Using toString() method ThetoString(...
To convert a string to path, we can use the built-in java.nio.file.Paths class get() static method in Java. Here is an example: import java.nio.file.Path; import java.nio.file.Paths; public class Main { public static void main(String[] args) { String strPath = "D:/documents/mus...
The constructor takes the input String and the delimiter to form a tokenized String. Simultaneously create an array of String and int with size as tokens in the tokenized String. The countTokens() method counts the tokens, which internally skips the delimiter. hasMoreTokens() checks if there are...
TheArrays.sort()method is another way to sort arrays in Java. It works similarly toCollections.sort(), but it’s used for arrays instead of lists. int[]numbers={3,2,1};Arrays.sort(numbers);System.out.println(Arrays.toString(numbers));// Output:// [1, 2, 3] ...
* How to Reverse a string in Java? * Version: 2.0 */ publicclassCrunchifyReverseString{ publicstaticvoidmain(String[]args){ StringtestString ="Crunchify.com Example"; System.out.println("String: "+ testString); System.out.println("\nSolution1: Reverse Using reverseStringBuffer: "+reverseSt...
Convert an array to a string using StringBuilder.append() The StringBuilder class is used to create mutable strings in Java. It provides an append() method to append the specified string to the sequence. The toString() method of the StringBuilder class returns a string representation of the dat...
There are two ways to create empty String array in java. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 import java.util.Arrays; public class Main { public static void main(String args[]) { //1st String[] myStrArr1 = new String[0]; System.out.println(Arrays.toString(myStr...