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Fix SpelEvaluationException with example code

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org.springframework.expression.spel.SpelEvaluationException: EL1007E: Property or field 'name' cannot be found on null
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Yanming Zhou
2020-05-11 09:16:27 +08:00
committed by Juergen Hoeller
parent e660386670
commit 9d429e30de
1 changed files with 2 additions and 2 deletions
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4
src/docs/asciidoc/core/core-expressions.adoc
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@@ -1675,7 +1675,7 @@ The following example shows how to use the Elvis operator:
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ExpressionParser parser = new SpelExpressionParser();
String name = parser.parseExpression("name?:'Unknown'").getValue(String.class);
String name = parser.parseExpression("name?:'Unknown'").getValue(new Inventor(), String.class);
System.out.println(name); // 'Unknown'
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[source,kotlin,indent=0,subs="verbatim,quotes",role="secondary"]
@@ -1683,7 +1683,7 @@ The following example shows how to use the Elvis operator:
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val parser = SpelExpressionParser()
val name = parser.parseExpression("name?:'Unknown'").getValue(String::class.java)
val name = parser.parseExpression("name?:'Unknown'").getValue(Inventor(), String::class.java)
println(name) // 'Unknown'
----