HERE'S YOUR QUESTION>> Q. (I AM IN CLASS 10 I TOOK pheas a subject in class 9 but now in class 10 i took computer so i am getting promblem in java can u tell how to write programs step by step and how to use public void sum main )
Thanks in advance
Answers
The Programming Process
Developing a program involves steps similar to any problem-solving task. There are five main ingredients in the programming process:
- Defining the problem
- Planning the solution
- Coding the program
- Testing the program
- Documenting the program
Access
Picture of Access
1. Go to https://repl.it
2. In search bar, type in "java": This indicates the programming language for the site.
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Step 2: Setup
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Picture of Setup
Picture of Setup
Picture of Setup
1. Click on Blue "examples" : A line will appear on the first line on the input box saying: "Not sure what to do? Run some examples" The word 'examples' in the phrase will link you to the correct page.
2. From Example Page, click on "Hello World" example code box.
3. Click the "Run" button at the top of the page.: This button is next to the "Share" and "Save" buttons.
The phrase "hello world" should appear in the black 'output' box on the right side of the screen.
Step 3: Code Block 1: Variables
Picture of Code Block 1: Variables
In Block 1, you will be assigning variables as an integer value. (i.e. a=3, b=4, c=-4)
1. Highlight and delete the entire line ONLY ON LINE 3 that says “System.out.println(“Hello world”);”
Note: DO NOT DELETE BRACES ("}") ON LINES 4 AND 5.
All code will come before these braces. These are needed to complete and run the code.
2. On the same line (line 3), type out
double a = 3;
3. Press "enter" on your keyboard and then type out
double b = 4;
4. Press "enter" and then type out
double c = -4;
A double is a Java expression that means a number
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see this attachment for the answer