module java.lang.exceptions;

import java.lang.util;

class ClassCastException : Exception {
    this( String e = null ){
        super(e);
    }
}

class IllegalStateException : Exception {
    this( String e = null ){
        super(e);
    }
    this( Exception e ){
        super(e.toString);
    }
}

class IndexOutOfBoundsException : Exception {
    this( String e = null){
        super(e);
    }
}

class InterruptedException : Exception {
    this( String e = null ){
        super(e);
    }
    this( Exception e ){
        super(e.toString);
    }
}

class NullPointerException : Exception {
    this( String e = null ){
        super(e);
    }
    this( Exception e ){
        super(e.toString);
    }
}

class NumberFormatException : IllegalArgumentException {
    this( String e ){
        super(e);
    }
    this( Exception e ){
        super(e.toString);
    }
}

class RuntimeException : Exception {
    this( char[] file, long line, char[] msg = null){
        super( msg, file, line );
    }
    this( String e = null){
        super(e);
    }
    this( Exception e ){
        super(e.toString);
        next = e;
    }
    public Exception getCause() {
        return next;
    }
}

class UnsupportedOperationException : RuntimeException {
    this( String e = null){
        super(e);
    }
    this( Exception e ){
        super(e.toString);
    }
}