201671010140.2016-2017-2 "Java Programming" Java Study first week

The first week of Java learning

This week is the beginning of the new semester, but also the beginning of the new learning process, the first contact with Java This course, first of all, the thickness of the book to give me a kind of invisible pressure, this is doomed, this course will not be relaxed, at the same time a new way of learning: reverse classroom, new try, disturbed at the same time, And this new learning journey is full of expectations.

The first chapter, in fact, is the Java course learning a cushion and pre-warming, the second chapter is to help us understand and try to use the relevant tools and understanding of the Java development environment, through reading books, related courseware, related tools to use documents, while in the process of computer operation gradually absorbed knowledge.

Java, a "object-oriented" programming language, and the C language we learned before, the syntax is very similar, we should pay attention to the difference between the two, grasp the similarities between the two.

When you practice, first install the Java SDK JDK, Java Development Kid, select the version that matches the operating system architecture, install the source code base, use the integrated development environment Eclipse, an open source, Jav-based, based on the computer you are using A's extensible development platform. The link runs a Java program:Welcome.java, in console cmd, The compiler javac the. Java source file into a. class bytecode file, and the Java program starts Java running the virtual machine, and the virtual machine executes the bytecode that the compiler puts in the. class file.

In the experiment, some basic operation has been able to operate skillfully, but some of the details are prone to errors, some obscure professional words are not very understanding, resulting in a program run error, do not know how to start, in the use of Eclipse is also a stumbling, need later days, more practice, In order to better use these tools.

———————— Sangwenjun

201671010140.2016-2017-2 "Java Programming" Java Study first week