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This noncompliant code example also violates ERR13-J. Do not throw RuntimeException, Exception, or Throwable. It falls under EX0 of ERR14-J. Do not catch NullPointerException , RuntimeException, Exception, or Throwableor any of its ancestors.

Code Block

bgColor	#FFcccc

public class NewInstance {
  private static Throwable throwable;

  private NewInstance() throws Throwable {
    throw throwable;
  }

  public static synchronized void undeclaredThrow(Throwable throwable) {
    // These exceptions should not be passed
    if (throwable instanceof IllegalAccessException ||
        throwable instanceof InstantiationException) {
        throw new IllegalArgumentException(); // Unchecked, no declaration required
    }

    NewInstance.throwable = throwable;
    try {
      // next line throws the Throwable argument passed in above,
      // even though the throws clause of class.newInstance fails
      // to declare that this may happen
      NewInstance.class.newInstance();
    } catch (InstantiationException e) { /* unreachable */
    } catch (IllegalAccessException e) { /* unreachable */
    } finally { // Avoid memory leak
      NewInstance.throwable = null;
    }
  }
}

public class UndeclaredException {
  public static void main(String[] args) {   // No declared checked exceptions
    NewInstance.undeclaredThrow(new Exception("Any checked exception"));
  }
}

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<ac:structured-macro ac:name="unmigrated-wiki-markup" ac:schema-version="1" ac:macro-id="bb4c4f9b5d81c4f0-6e5bd647-41d84d33-8198b85f-96722760a464f31d2b13a4e7"><ac:plain-text-body><![CDATA[	[[MITRE 2009	AA. Bibliography#MITRE 09]]	[CWE-703	http://cwe.mitre.org/data/definitions/703.html] "Improper Check or Handling of Exceptional Conditions"	]]></ac:plain-text-body></ac:structured-macro>
	CWE-248 "Uncaught Exception"

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<ac:structured-macro ac:name="unmigrated-wiki-markup" ac:schema-version="1" ac:macro-id="8d7c5ab510c3f54f-2154deb3-40d24cc2-8aeb9196-3b3ceec1d2db3c4835f045e3"><ac:plain-text-body><![CDATA[	[[Bloch 2008	AA. Bibliography#Bloch 08]]	Item 2: "Consider a builder when faced with many constructor parameters"	]]></ac:plain-text-body></ac:structured-macro>
<ac:structured-macro ac:name="unmigrated-wiki-markup" ac:schema-version="1" ac:macro-id="a9511122d4f4a3b5-4b31de8b-4af44fb8-963d9e72-37891e6f978d2971f9b3f2e1"><ac:plain-text-body><![CDATA[	[[Goetz 2004b	AA. Bibliography#Goetz 04b]]		]]></ac:plain-text-body></ac:structured-macro>
<ac:structured-macro ac:name="unmigrated-wiki-markup" ac:schema-version="1" ac:macro-id="dd722725b9a38f85-3d12d01c-460149e8-80178804-514bbcb8338f942e3f7582ba"><ac:plain-text-body><![CDATA[	[[JLS 2005	AA. Bibliography#JLS 05]]	Chapter 11: Exceptions	]]></ac:plain-text-body></ac:structured-macro>
<ac:structured-macro ac:name="unmigrated-wiki-markup" ac:schema-version="1" ac:macro-id="cbcaef4b039edad1-e01e801d-4d7a4628-b1f8bbe0-62e37fac5f4130d4f4cd923d"><ac:plain-text-body><![CDATA[	[[Roubtsov 2003	AA. Bibliography#Roubtsov 03]]		]]></ac:plain-text-body></ac:structured-macro>
<ac:structured-macro ac:name="unmigrated-wiki-markup" ac:schema-version="1" ac:macro-id="a55cf00b619d13fb-cc8eaea8-4202450e-8113be65-eecb56749f99cf402006f718"><ac:plain-text-body><![CDATA[	[[Schwarz 2004	AA. Bibliography#Schwarz 04]]		]]></ac:plain-text-body></ac:structured-macro>
<ac:structured-macro ac:name="unmigrated-wiki-markup" ac:schema-version="1" ac:macro-id="be8540b93df2f8e6-768247a6-419747d6-a2d683dc-0030fe0b4dd2a69d783d724d"><ac:plain-text-body><![CDATA[	[[Venners 2003	AA. Bibliography#Venners 03]]	"Scalability of Checked Exceptions"	]]></ac:plain-text-body></ac:structured-macro>

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