Prepare a ten-minute talk or presentation to teach Llama what you learnt in Chapter 4. Please choose 1 topic from each of the following two groups. You can use PPTs, record a video, or just talk. Llama is looking forward to learning coding from you so be sure to show him how your code works and explain why.
Group One: Explain your algorithm, then show how to turn pseudo code into a Java program. Pick one of the followings:
Group Two: Use an example or several examples to explain one of the followings:
1. How to read input data from keyboard and print output data on the screen? Which class(es) must be imported? How can you print out a float value with 3 decimal places?
2. How many primitive types does Java have? How to declare and use variables of these types?
3. How to concatenate strings and how to get a sub string of various length?