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donchan922/DemoApplication.java

Created August 19, 2019 14:10
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DemoApplication.java
StringBuilder stringBuilder = new StringBuilder();
String[] names = {"Alice", "Bob", "Carol"};
for (String name : names) {
stringBuilder.append(name);
stringBuilder.append(",");
}
// Alice,Bob,Carol, <- 末尾の,が邪魔
System.out.println(stringBuilder.toString());
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