The Java virtual machine (JVM) is a program whose sole purpose is to execute other programs. This simple idea has made Java one of the most successful and long-lived platforms of all time.

The year’s second total lunar eclipse is coming up fast, and this time Asia will have the best seats in the cosmos.

南开大学Java语言与应用，授课老师：刘嘉欣。 ./labs 目录下是实验代码，包括九个实验： 第2章作业练习5 (1),练习8 (3)。 第3章作业练习14 (3),第4章练习9 (4),练习10 (5) 第8章作业 第8章作业 (Playable) gomoku-console CDstore caculator painter gomoku (大作业) 以及实验报告latex模板。