<p>출처1 :&nbsp;<a href="https://stackoverflow.com/questions/63559237/string-interpolation-in-java-14-or-15#answer-67154934" target="_blank">https://stackoverflow.com/questions/63559237/string-interpolation-in-java-14-or-15#answer-67154934</a></p><p>출처2 :&nbsp;<a href="https://commons.apache.org/proper/commons-text/javadocs/api-release/org/apache/commons/text/StringSubstitutor.html" target="_blank">https://commons.apache.org/proper/commons-text/javadocs/api-release/org/apache/commons/text/StringSubstitutor.html</a></p><p><br></p><p>아래 디펜던시 추가</p><div style="color: rgb(212, 212, 212); background-color: rgb(30, 30, 30); font-family: D2Coding, Consolas, &quot;Courier New&quot;, monospace, Consolas, &quot;Courier New&quot;, monospace; font-size: 14px; line-height: 19px; white-space: pre;"><div><span style="color: #6a9955;">&lt;!-- https://mvnrepository.com/artifact/org.apache.commons/commons-text --&gt;</span></div><div><span style="color: #808080;">&lt;</span><span style="color: #569cd6;">dependency</span><span style="color: #808080;">&gt;</span></div><div>&nbsp; &nbsp; <span style="color: #808080;">&lt;</span><span style="color: #569cd6;">groupId</span><span style="color: #808080;">&gt;</span>org.apache.commons<span style="color: #808080;">&lt;/</span><span style="color: #569cd6;">groupId</span><span style="color: #808080;">&gt;</span></div><div>&nbsp; &nbsp; <span style="color: #808080;">&lt;</span><span style="color: #569cd6;">artifactId</span><span style="color: #808080;">&gt;</span>commons-text<span style="color: #808080;">&lt;/</span><span style="color: #569cd6;">artifactId</span><span style="color: #808080;">&gt;</span></div><div>&nbsp; &nbsp; <span style="color: #808080;">&lt;</span><span style="color: #569cd6;">version</span><span style="color: #808080;">&gt;</span>1.9<span style="color: #808080;">&lt;/</span><span style="color: #569cd6;">version</span><span style="color: #808080;">&gt;</span></div><div><span style="color: #808080;">&lt;/</span><span style="color: #569cd6;">dependency</span><span style="color: #808080;">&gt;</span></div></div><p><br></p><h3>사용방법</h3><h5>기본 사용법</h5><div style="color: rgb(212, 212, 212); background-color: rgb(30, 30, 30); font-family: D2Coding, Consolas, &quot;Courier New&quot;, monospace, Consolas, &quot;Courier New&quot;, monospace; font-size: 14px; line-height: 19px; white-space: pre;"><div><span style="color: #569cd6;">import</span> org.apache.commons.text.StringSubstitutor;</div><div><span style="color: #569cd6;">import</span> java.util.HashMap;</div><div><span style="color: #569cd6;">import</span> java.util.Map;</div><div><span style="color: #6a9955;">// ...</span></div><div><span style="color: #4ec9b0;">Map</span>&lt;<span style="color: #4ec9b0;">String</span>, <span style="color: #4ec9b0;">String</span>&gt; <span style="color: #9cdcfe;">values</span> = <span style="color: #c586c0;">new</span> <span style="color: #4ec9b0;">HashMap</span>&lt;&gt;();</div><div><span style="color: #9cdcfe;">values</span>.<span style="color: #dcdcaa;">put</span>(<span style="color: #ce9178;">"animal"</span>, <span style="color: #ce9178;">"quick brown fox"</span>);</div><div><span style="color: #9cdcfe;">values</span>.<span style="color: #dcdcaa;">put</span>(<span style="color: #ce9178;">"target"</span>, <span style="color: #ce9178;">"lazy dog"</span>);</div><div><span style="color: #4ec9b0;">StringSubstitutor</span> <span style="color: #9cdcfe;">sub</span> = <span style="color: #c586c0;">new</span> <span style="color: #dcdcaa;">StringSubstitutor</span>(values);</div><div><span style="color: #4ec9b0;">String</span> <span style="color: #9cdcfe;">result</span> = <span style="color: #9cdcfe;">sub</span>.<span style="color: #dcdcaa;">replace</span>(<span style="color: #ce9178;">"The ${animal} jumped over the ${target}."</span>);</div><div><span style="color: #6a9955;">// "The quick brown fox jumped over the lazy dog."</span></div></div><p><br></p><h5>변수에 대하여 기본값 제공 방법</h5><div style="color: rgb(212, 212, 212); background-color: rgb(30, 30, 30); font-family: D2Coding, Consolas, &quot;Courier New&quot;, monospace, Consolas, &quot;Courier New&quot;, monospace; font-size: 14px; line-height: 19px; white-space: pre;"><div><span style="color: #4ec9b0;">String</span> <span style="color: #9cdcfe;">result</span> = <span style="color: #9cdcfe;">sub</span>.<span style="color: #dcdcaa;">replace</span>(<span style="color: #ce9178;">"The number is ${undefined.property:-42}."</span>);</div><div><span style="color: #6a9955;">// "The number is 42."</span></div></div><p><br></p><h5>재귀함수처럼 포맷 안에 포맷이 들어가려면 다음과 같이&nbsp;</h5><h5>setEnableSubstitutionInVariables(true);</h5><h5> 추가해야 한다</h5><div style="color: rgb(212, 212, 212); background-color: rgb(30, 30, 30); font-family: D2Coding, Consolas, &quot;Courier New&quot;, monospace, Consolas, &quot;Courier New&quot;, monospace; font-size: 14px; line-height: 19px; white-space: pre;"><div><span style="color: #4ec9b0;">Map</span>&lt;<span style="color: #4ec9b0;">String</span>, <span style="color: #4ec9b0;">String</span>&gt; <span style="color: #9cdcfe;">values</span> = <span style="color: #c586c0;">new</span> <span style="color: #4ec9b0;">HashMap</span>&lt;&gt;();</div><div><span style="color: #9cdcfe;">values</span>.<span style="color: #dcdcaa;">put</span>(<span style="color: #ce9178;">"b"</span>, <span style="color: #ce9178;">"c"</span>);</div><div><span style="color: #9cdcfe;">values</span>.<span style="color: #dcdcaa;">put</span>(<span style="color: #ce9178;">"ac"</span>, <span style="color: #ce9178;">"Test"</span>);</div><div><span style="color: #4ec9b0;">StringSubstitutor</span> <span style="color: #9cdcfe;">sub</span> = <span style="color: #c586c0;">new</span> <span style="color: #dcdcaa;">StringSubstitutor</span>(values);</div><div><span style="color: #9cdcfe;">sub</span>.<span style="color: #dcdcaa;">setEnableSubstitutionInVariables</span>(<span style="color: #569cd6;">true</span>);</div><div><span style="color: #4ec9b0;">String</span> <span style="color: #9cdcfe;">result</span> = <span style="color: #9cdcfe;">sub</span>.<span style="color: #dcdcaa;">replace</span>(<span style="color: #ce9178;">"${a${b}}"</span>);</div><div><span style="color: #6a9955;">// "Test"</span></div></div><p><br></p><p><br></p><p><br></p><p><br></p><p><br></p><p><br></p><p><br></p><p><br></p><p><br></p><p><br></p><p><br></p><p><br></p><p><br></p><p><br></p><p><br></p><p><br></p><p><br></p><p><br></p><p><br></p><p><br></p><p><br></p><p><br></p><p><br></p><p><br></p><p><br></p>

[Java & Spring] 문자열 변경시 이름을 기준으로 변경하기 format replace by name