What are the steps to set Java_home on Windows?
1. Right-click My Computer and select Properties.
2. In the System Properties window, click on the Advanced tab.
3. In the Advanced section, click the Environment Variables button.
4. Under System Variables, click New.
5. In the Variable Name field, enter "JAVA_HOME".
6. In the Variable Value field, enter the location of the JDK installation. For example, C:/Program Files/Java/jdk1.8.0_73.
7. Click OK.
8. Modify the system Path variable to include the bin directory of the JDK installation folder. To do this, add the following line to the end of the Variable Value field: %JAVA_HOME%/bin;
9. Click OK.
10. Close the System Properties window and restart the computer for the system variables to take effect.
Date:2023-03-22
What is Java String?
Java String is an object that represents sequence of characters. It is immutable which means it cannot be changed once created. It provides methods which can be used to perform various operations on strings such as comparison, search, replace, etc. It also contains many utility methods for working with strings.
Date:2023-03-21
How to remove insignificant trailing zeroes from a number in JavaScript?
The simplest way to remove insignificant trailing zeroes from a number in JavaScript is to use the .replace() method. This method allows for the user to search for any pattern of characters in a string, in this case the pattern of insignificant trailing zeroes, and then replace them with an empty string.
For example:
let num = '100.000';
let cleanNum = num.replace(/0+$/, '');
// cleanNum will now be '100.'Nozeroes is a JavaScript library that allows developers to perform calculations without leading or trailing zeroes. The library provides support for fixed-point, base-10, and base-2/binary calculations, enabling a higher level of precision than what is typically achievable with standard Math methods. Nozeroes also features an interactive calculator to help developers explore and experiment with these calculation methods.You can use the String.prototype.replace() function to remove trailing zeros from a number in JavaScript. The following example shows how this can be done:
let num = '123.0900';
let newNum = num.replace(/0+$/, ''); // Removes trailing zeros
console.log(newNum); // 123.09To remove insignificant trailing zeroes from a number string, you can use the replace method.
For example:
let numString = '122.400';
numString.replace(/0*$/, '') // Returns '122.4'1. Using string slicing:
string = "1.200"
print(string[:-2])
2. Using the float() method:
string = "1.200"
print(float(string))
Date:2023-03-21
How to execute Java program from Sublime Text Editor?
1. Install the JavaC plugin from Package Control
2. Create a new file in Sublime Text and save it with a “.java” extension
3. Add the code for your program
4. Compile your program using the JavaC plugin
5. To execute your program, go to Tools > Build System > JavaC and select your project
6. The output of your program will be displayed in the Output Window
Date:2023-03-21
Is Java a good language for AI and ML?
Yes, Java is a very good language for AI and ML. Java comes with a host of powerful libraries, frameworks and tools that help developers create sophisticated AI and ML applications with ease. Java also supports functional programming which helps developers to quickly create applications for AI and ML. Additionally, Java is platform independent, meaning applications developed in Java can run on multiple operating systems.
Date:2023-03-19
How to create a file object in JavaScript?
To create a file object in JavaScript, we should first define the file name, then use the File constructor along with the file name and any optional parameters to instantiate a new File object.
For example:
let myFile = new File("myFile.txt", {type: "text/plain"});
Date:2023-03-17
What is datagram in Java 8?
In Java 8, Datagram is a class used to represent a connectionless packet delivery service. It is an abstract class used by the UDP protocol, which provides a method to send and receive packets over the network with minimum overhead. It is an important part of the Java Networking API and is used for communication between two devices on the same network. Datagrams are inherently unreliable, meaning that delivery is not guaranteed.
Date:2023-03-17
Is JavaScript good for beginners?
Yes, JavaScript is a great language for beginners to learn, as it has a gentle learning curve and is widely used across the internet. It is a versatile language that can be used to create dynamic, interactive websites and is the basis for front-end development. Additionally, many widely used libraries such as jQuery provide helpful resources for JavaScript developers.
Date:2023-03-16
What is IBM thread and monitor dump analyzer for Java?
IBM Thread and Monitor Dump Analyzer for Java is a set of Java™ technology-based diagnostic and analysis tools used to diagnose deadlocks, memory usage and other problems in Java environments. It works by capturing thread and monitor dumps from either the JVM or application, gathering the thread and monitor data into a template file and then using the template to create a report that presents an analysis of the captured threads and monitors in a graphical view.
Date:2023-03-16
Why do developers prefer Eclipse IDE for developing Java based applications?
Eclipse makes development of Java applications much easier. It provides a clean and intuitive user interface, sophisticated code refactoring capabilities, support for all major operating systems, built-in support for a variety of web and enterprise technologies, and access to a large number of useful plugins. Furthermore, Eclipse makes it easier for developers to debug their applications and includes a wide range of automated tools for improving the quality and performance of code.
Date:2023-03-15