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import java.awt.Dimension;
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  frame.setPreferredSize(new Dimension(800,600));
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http://java.sun.com/javase/downloads/index.jsp
IBM JDK
http://www.ibm.com/developerworks/java/
http://www.ibm.com/developerworks/cn/java/
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Eclipse
http://www.eclipse.org/
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http://www.apache.org/
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