Java

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Java is a platform-independent, object-oriented programming language and run-time environment, designed to have as few implementation dependencies as possible such that developers can write one set of code across all platforms using libraries. Most devices will not run Java natively, and require a run-time component to be installed in order to execute a Java program.

How to fix incompatible JVM issue while installing Eclipse
While installing Eclipse in windows, got one error like above and unable to proceed with the installation.
This video describes how to successfully install Eclipse.

How to solve incompatible JVM issue while installing Eclipse.
Error - Version 1.7 is not compatible with this product. Version 1.8 or higher required.
Solution- lets follow the steps to solve it.
- Go to google.com search for JAVA SE 8 and download
- As shown in the video select the 64 bit JDK and download
- Follow the steps to Install the JDK as shown in Video.
- Once installed JDK successfully
- Then download 64bit Eclipse and install it.
- Now you have successfully installed JDK and Eclipse
- Eclipse should open now without any issue.
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Viewers will learn how to properly install Eclipse with the necessary JDK, and will take a look at an introductory Java program.

1. Download Eclipse installation zip file

2. Extract files from zip file

3. Download and install JDK 8

4. Open Eclipse and select workbench location

5. Start new Java Project (Start new class, Code basic Hello World program, Save file, Run as Java application)

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LVL 20

Expert Comment

by:Kyle Santos
Great job!
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Expert Comment

by:jessesmith smith
For windows
1.Install JDK
To use Eclipse for Java programming, you need to first install Java Development Kit (JDK).
Read  " How to Install JDK (on Windows)".
2.Download
Download Eclipse from http://www.eclipse.org/downloads
3: Unzip
To install Eclipse, simply unzip the downloaded file into a directory of your choice
There is no need to run any installer.
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This tutorial explains how to use the VisualVM tool for the Java platform application. This video goes into detail on the Threads, Sampler, and Profiler tabs.
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This tutorial will introduce the viewer to VisualVM for the Java platform application. This video explains an example program and covers the Overview, Monitor, and Heap Dump tabs.
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Expert Comment

by:max pank
why visualVM is not working on ubuntu
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LVL 21

Author Comment

by:Amitkumar P
Did you get visualvm installed in ubuntu ? Please download it from https://visualvm.github.io/download.html and install it.

What issue/error are you getting ?
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This video teaches viewers about errors in exception handling.
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This theoretical tutorial explains exceptions, reasons for exceptions, different categories of exception and exception hierarchy.
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This tutorial covers a step-by-step guide to install VisualVM launcher in eclipse.
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This tutorial covers a practical example of lazy loading technique and early loading technique in a Singleton Design Pattern.
1

Expert Comment

by:Nagendra Kumar
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The viewer will learn how to implement Singleton Design Pattern in Java.
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Viewers will learn about the regular for loop in Java and how to use it.

1. Definition

2. Break the for loop down into 3 parts

3. Syntax when using for loops

4. Example using a for loop

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Viewers will learn about basic arrays, how to declare them, and how to use them.

1. Introduction and definition

2. Declare an array and cover the syntax of declaring them

3. Initialize every index in the created array

4. Example/Features of a basic array

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Viewers will learn about if statements in Java and their use

1. The if statement

2. The condition required to create an if statement

3. Variations of if statements

4. An example using if statements

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Viewers will learn one way to get user input in Java.

1. Introduce the Scanner object

2. Declare the variable that stores the user input

3. An example prompting the user for input

4. Methods you need to invoke in order to properly get user input

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Viewers will learn about arithmetic and Boolean expressions in Java and the logical operators used to create Boolean expressions. We will cover the symbols used for arithmetic expressions and define each logical operator and how to use them in Boolean expressions.

1. Recap Boolean variables

2. Go over the logical operators available in Java

3. Examples declaring Boolean variables using Boolean expressions

4. Java arithmetic

5. Rules regarding division

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Viewers will learn about the different types of variables in Java and how to declare them.

1. Decide the type of variable desired

2. Put the keyword corresponding to the type of variable in front of the variable name

3. Use the equal sign to assign a value to your variable and use the semicolon to close the statement.

4. Demonstrate by doing some examples

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Viewers learn how to read error messages and identify possible mistakes that could cause hours of frustration. Coding is as much about debugging your code as it is about writing it.

1. Define Error Message

2. Line Numbers

3. Type of Error

4. Break Down Process

5. Ask for Help

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Viewers learn about the scanner class in this video and are introduced to receiving user input for their programs. Additionally, objects, conditional statements, and loops are used to help reinforce the concepts.

1. Introduce Scanner class

2. Importing Java Util folder

3. Creating a Scanner object

4. Example 1

5. Testing

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Viewers learn about how to reduce the potential repetitiveness of coding in main by developing methods to perform specific tasks for their program. Additionally, objects are introduced for the purpose of learning how to call methods in Java.

1. Define methods

2. Example 1

3. Formatting of method

4. How to call method

5. Example 2

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Viewers learn about the “for” loop and how it works in Java. By comparing it to the while loop learned before, viewers can make the transition easily. You will learn about the formatting of the for loop as we write a program that prints even numbers.

1. For Loop Formatting

2. Example 1

3. Example 2

4. Example 3

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Viewers learn about the “while” loop and how to utilize it correctly in Java. Additionally, viewers begin exploring how to include conditional statements within a while loop and avoid an endless loop.

1. Define While Loop

2. Basic Example

3. Explanation of Example

4. Example with Conditional Statement

5. Explanation of Example 2

6. Avoiding Endless Loops

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Viewers learn about the third conditional statement “else if” and use it in an example program. Then additional information about conditional statements is provided, covering the topic thoroughly.
Viewers learn about the third conditional statement “else if” and use it in an example program. Then additional information about conditional statements is provided, covering the topic thoroughly.
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Viewers learn about the conditional statements “if” and “else” and how to use them logically in java. Additionally, they learn about the 6 math operations used for conditional statements to create Boolean values.

1. Intro to Conditional Statements

2. Logic behind Conditional Statements

3. Example

4. Example 2

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After learning about conditional statements, viewers are now ready to create a switch statement. A switch statement is based on the same concept but is more efficient and easier to read once understood. Furthermore, it can address cases much more specifically.

1. Conditional vs Switch

2. Switch statement definition

3. Example

4. Testing

5. Alternate Coding with Conditional Statements

6. Differences and Improvements

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Viewers learn about both the theory and practical use of objects in this lesson. They learn how to access contents within objects and how to access an object outside of main. Additionally, constructors are introduced.

1. Define Objects

2. Objects Concept

3. Constructors

4. Example

5. Accessing Objects in Methods

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Viewers learn about the eight basic building blocks of Math in Java and can follow the specific examples given for each one.

1. Intro to Math

2. 4 Basic Math Operations

3. 4 Basic Examples

4. 4 Advanced Math Operations

5. 4 Advanced Examples

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Java

99K

Solutions

33K

Contributors

Java is a platform-independent, object-oriented programming language and run-time environment, designed to have as few implementation dependencies as possible such that developers can write one set of code across all platforms using libraries. Most devices will not run Java natively, and require a run-time component to be installed in order to execute a Java program.