回答編集履歴
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追記
test
CHANGED
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@@ -3,3 +3,47 @@
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3
3
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setLine({new String[] { "Hello","World" }});
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```
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かぶったので変化球。[List#of()](https://docs.oracle.com/javase/jp/11/docs/api/java.base/java/util/List.html#of(E...))のように、メソッド定義を可変長引数にする手もある。
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```java
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public class Test {
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String s = "";
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public static void main(String[] args) {
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new Test();
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}
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Test() {
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setLine("Hello", "World");
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}
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void setLine(String... st) {//配列を要求
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for (String a : st) {
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s += a + " ";
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}
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45
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}
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46
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47
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}
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```
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