I'm a freshmen majoring in computer science. I'm a little familiar with HTML codes due to being in an Exploring Computer Science class in junior year of high school. I want to apply for an internship for Google but in order to apply I have to be a sophomore. what should I do in the mean time to improve my skills? what are some ways I can learn different types of codes such as java, html etc.? Besides Getting Good grades in my classes that I'm currently taking what are some tips any one of you can give me for I can be prepared in the future?