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1行目: |
| ([[String]]).contains [https://docs.oracle.com/javase/jp/8/docs/api/java/lang/String.html#contains-java.lang.CharSequence-]<br>
| | "[[String]]".contains [https://docs.oracle.com/javase/jp/8/docs/api/java/lang/String.html#contains-java.lang.CharSequence-]<br> |
| public boolean contains(CharSequence String) | | public boolean contains(CharSequence String) |
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2019年6月9日 (日) 13:16時点における版
"String".contains [1]
public boolean contains(CharSequence String)
指定文字列を含むか真偽します。
String s1 = "java and javaScript";
if (s1.contains("Java")) {
System.out.println("ture");
}