Java

URL: https://www.progressiverobot.com/java-char-to-string-to-char-array/ Today we will look into java char to String program. We will also learn how to convert String to a char array. Java char to String Before we look into java char to String program, let's get to the basic difference between them. char is a primitive data type whereas String is a […]

URL: https://www.progressiverobot.com/java-thread-join-example/ Java Thread join method can be used to pause the current thread execution until unless the specified thread is dead. There are three overloaded join functions. Java Thread join  public final void join(): This java thread join method puts the current […]

URL: https://www.progressiverobot.com/string-immutable-final-java/ Why String is immutable in Java is one of the popular interview questions. The string is one of the most used classes in any programming language. We know that String is immutable and final in Java. Java runtime maintains a [String pool](/community/tutorials/what-is-java-string-pool) that makes it a special class. Why String is immutable in […]

Recently I imported a Maven project in Eclipse and changed the build path Library to work on Java 1.7. After that Eclipse shown me error in project, although there was no error shown in any files. Java compiler level does not match the version of the installed Java project facet The error description was Java […]

URL: https://www.progressiverobot.com/java-printf-method/ We've already discussed [Java println()](/community/tutorials/system-class-java-properties-out-println) method in a previous tutorial. Today, we'll discuss the printf() method and its various implementations in detail. Ready. Get. Set. Go! Java printf() printf() method is not only there in C, but also in Java. This method belongs to the PrintStream class. It's used to print formatted strings […]

Learn what public static void main(String[] args) means in Java. Understand each keyword’s purpose and how the main method powers Java programs.

URL: https://www.progressiverobot.com/java-get-file-size/ Today we will look into different ways to get file size in Java. Java get file size There are different classes that we can use for java get file size program. Some of them are; Java get file size using File class Get file size in java using FileChannel class Java get file […]

URL: https://www.progressiverobot.com/shuffle-array-java/ There are two ways to shuffle an array in Java. Collections.shuffle() Method Random Class 1. Shuffle Array Elements using Collections Class We can create a list from the array and then use the Collections class shuffle() method to shuffle its elements. Then convert the list to the original array. package com.journaldev.examples; import java.util.Arrays; […]