java.lang.ClassNotFoundException Maven / Gradle / Ivy
package java.lang;
public class ClassNotFoundException extends Exception {
/**
* use serialVersionUID from JDK 1.1.X for interoperability
*/
private static final long serialVersionUID = 9176873029745254542L;
/**
* This field holds the exception ex if the ClassNotFoundException(String s, Throwable ex)
* constructor was used to instantiate the object.
*
* @serial
* @since 1.2
*/
private Throwable ex;
/**
* Constructs a ClassNotFoundException with no detail message.
*/
public ClassNotFoundException() { // NOPMD
super((Throwable) null); // Disallow initCause
}
/**
* Constructs a ClassNotFoundException with the specified detail message.
*
* @param string the detail message.
*/
public ClassNotFoundException(final String string) {
super(string, null); // Disallow initCause
}
/**
* Constructs a ClassNotFoundException with the specified detail message and optional
* exception that was raised while loading the class.
*
* @param string the detail message
* @param ex the exception that was raised while loading the class
* @since 1.2
*/
public ClassNotFoundException(final String string, final Throwable ex) {
super(string, null); // Disallow initCause
this.ex = ex;
}
/**
* Returns the exception that was raised if an error occurred while attempting to load the class.
* Otherwise, returns null.
*
*
* This method predates the general-purpose exception chaining facility. The
* {@link Throwable#getCause()} method is now the preferred means of obtaining this information.
*
*
* @return the Exception that was raised while loading a class
* @since 1.2
*/
public Throwable getException() {
return this.ex;
}
/**
* Returns the cause of this exception (the exception that was raised if an error occurred while
* attempting to load the class; otherwise null).
*
* @return the cause of this exception.
* @since 1.4
*/
@Override
public Throwable getCause() {
return this.ex;
}
}