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Java string concat() method vs "+" operator
The notable differences between concat() method and +operator are:
| concat() method | +operator |
|---|---|
| You cannot concat a null value to a String using the concat() method. | You can concat null value using the ‘+’ operator. |
| Using the concat() method you can concat only two String variables. | Using the ‘+’ operator you can concat multiple values. |
| Using the concat() method you can concat only String type of arguments. | Using the ‘+’ operator you can concat any type of arguments. |
Updated on 30-Jul-2019 22:30:21
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