Description Kasper Nielsen 2004-08-07 03:29:52 EDT

public class ErrorTest extends AbstractSet<Runnable>{

    public static void main(String[] args) {
        ErrorTest t=new ErrorTest();
        t.add(null);
    }
    
    public boolean add(Runnable run) {
        System.out.println("success");
        return true;
    }
    public Iterator iterator() {return null;}
    public int size() {return 0;}
}

when tried to execute, fails with:

java.lang.ClassFormatError: Repetitive method name/signature in class file ErrorTest
	at java.lang.ClassLoader.defineClass1(Native Method)
	at java.lang.ClassLoader.defineClass(ClassLoader.java:605)
	at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:124)
	at java.net.URLClassLoader.defineClass(URLClassLoader.java:260)
	at java.net.URLClassLoader.access$100(URLClassLoader.java:56)
	at java.net.URLClassLoader$1.run(URLClassLoader.java:195)