Java summary of the first week

By two weeks learning Java Java is the most profound experience seems to be simpler than C.
Then two weeks I learned a lot of things, the teacher gave the class the first time we introduced the Java development process, as well as development of Java jdk tool.
Java language has many features (1) simple and efficient (2) Portability (3) has a better performance (7) robust object (4) interpreted (5) for distributed computing (6) faces, preventive measures (8) with multi-threading capabilities (9) has a high safety (10) is a dynamic language (11) is a neutral structure
if it wants to learn Java need to use tools jdk, jdk installation due out assistant so the video is relatively simple, after configuring the required test configuration.
Li gave us a Java-hello world! Compiled and written homework two graphics, which makes me both jobs for Java with a preliminary understanding, let me start to learn Java with some confidence, because Java is really very comfortable.