java经典的猫叫程序，适合对面向对象概念的深入理解，运行好用-java program called classic cat, suitable for in-depth understanding of object-oriented concepts, easy operation

java程序调用短信猫原码，实现短信的下行和上行短信的收集功能。-java program calls SMS cat original code, the downlink and uplink SMS SMS collection features.