please help I'm a beginner programmer and I need help with this java program. Please use the Eclipse IDLE because that's what I'm working on and also explain step by step. And follow the instructions .

Programming Exercise Chapter 4 - #3 Test Scores Use JOptionPane for I/O. Use constants where appropriate. You should have a TestScores.java and a testing class that houses your main. Create a TestScores object with reasonable values in your main and show all the methods working. For the Coding Style aspect of your homework, I'm looking at the following. Use of constants. Try not to hard code numbers and strings into your source code. Use finals. WRONG: newValue = oldValue *(1+.08): RIGHT: final double INTEREST_RATE= .08; newValue = oldValue *(1+INTEREST_RATE); Indenting: The code for each block of code (block of code is code inclosed within opening and closing curley braces) should be indented one level in. EXAMPLE if(myNum