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A motivating example for a Java null-conditional
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| // standard java | |
| String zipCode = null; | |
| if(user != null) { | |
| UserAddresses userAddresses = user.addresses(); | |
| if(userAddresses != null) { | |
| Address billingAddress = userAddresses.billingAddress(); | |
| if (billingAddress != null) { | |
| zipCode = billingAddress.zipCode(); | |
| } | |
| } | |
| } |
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