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import java.awt.Color;
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import java.awt.image.BufferedImage;
import java.io.IOException;
import java.io.PrintWriter;
import java.util.Random;
import javax.imageio.ImageIO;
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Java Reflect ·´Éä»úÖÆ ѧϰ±Ê¼Ç [ÍòÄÜtoString·½·¨]

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import java.lang.reflect.AccessibleObject;
import java.lang.reflect.Array;
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import java.lang.reflect.Modifier;
import java.util.ArrayList;
import java.util.List;

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