Which usage represents a valid way of compiling a Java class
A. java MainClass.class
B. javac MainClass
C. javac MainClass.source
D. javac MainClass.java
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软件设计中模块划分应遵循的准则是
A. 低耦合低内聚
B. 高耦合高内聚
C. 低耦合高内聚
D. 内聚与耦合无关
Which of the following is the only Java package that is imported by default
A. java.awt
B. java.lang
C. java.util
D. java.io
Which API provides a lightweight solution for GUI components
AWT
B. Abstract Window Toolkit
C. Swing
D. AWT and Swing