22 Component类 Componet常见类的继承关系如下 Button Canvas Checkbox Choice Window Container Frame Object Component Pane Label) ScrollBar List Scrollb Text点rea Textcomponent TextField Por gr amming in Java 2008.3-2008. 7 by Yanjun Zhang, Depar tment of Computer HanDan Col lage绪 论 Porgramming in Java 2008.3-2008.7 by Yanjun Zhang,Department of Computer HanDan Collage. 2.2 Component类 Componet常见类的继承关系如下：