?? arrayfind.java
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import java.lang.reflect.Field;import java.lang.reflect.Type;import static java.lang.System.out;public class ArrayFind { public static void main(String... args) { boolean found = false; try { Class<?> cls = Class.forName(args[0]); Field[] flds = cls.getDeclaredFields(); for (Field f : flds) { Class<?> c = f.getType(); if (c.isArray()) { found = true; out.format("%s%n" + " Field: %s%n" + " Type: %s%n" + " Component Type: %s%n", f, f.getName(), c, c.getComponentType()); } } if (!found) { out.format("No array fields%n"); } // production code should handle this exception more gracefully } catch (ClassNotFoundException x) { x.printStackTrace(); } }}
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