Code example for DESKeySpec

0
public class NullKey { 
 
    public static void main(String[] args) throws Exception {
 
        try { 
            DESKeySpec desSpec = new DESKeySpec(null);
            throw new Exception("expected NullPointerException");
        } catch (NullPointerException npe) {}
 
        try { 
            DESKeySpec desSpec = new DESKeySpec(null, 0);
            throw new Exception("expected NullPointerException");
        } catch (NullPointerException npe) {}
 
        try { 
            boolean parityAdjusted = DESKeySpec.isParityAdjusted(null, 0);
            throw new Exception("expected InvalidKeyException");
        } catch (InvalidKeyException ike) {}
 
        try { 
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