This method returns true if this string contains s, else false. Checking if String contains a CharSequence Example If the given string value contains the specified character sequence value, the contains() method returnstrue. In the following program, we are instantiating the string class with the...
System.out.println(s.contains('a')); // 报错：The method contains(CharSequence) in the type String is not applicable for the arguments (char)错误提示表明，直接传入char类型参数是不被接受的，因为String类的方法期望一个CharSequence实例。CharSequence是一个接口，它的实现包括String、StringB...
System.out.println(s.contains('a'));会报语法错误：The method contains(CharSequence) in the type String is not applicable for the arguments (char)。参数类型不匹配。打开api我们看到CharSequence是一个interface，所以我们没法直接用它的对象，只能用它的实现类的对象，它有几个实现类String，S...
2. 会报语法错误:The method contains(CharSequence) in the type String is not applicable for the arguments (char)。参数类型不匹配。 打开api我们看到CharSequence是一个interface,所以我们没法直接用它的对象,只能用它的实现类的对象,它有几个实现类String,StringBuilder等,所以我们这里传入String的对象即可。 Sy...
TypeStringBuffer TypeStringBuilder TypeSystem TypeThrowable UncheckedThrowableType WriteObjectMethodClass StringContainsMethod The contains() method of the class java.lang.String.Import path import java Direct supertypes Method Indirect supertypes @callable @element @member @method @stmtparent @top Annotatable...
But obviously there is no String.Contains(List<string>) method. So, is there some way to throw some sort of foreach type loop that would check check String.Contains(String) for each item in the List<string? All replies (9) Friday, June 5, 2009 1:36 PM ✅Answered I think you shou...
[英]Checks if the array contains the stringvalue. This method is case insensitive. [中]检查数组是否包含字符串value。此方法不区分大小写。 代码示例 代码示例来源:origin: deegree/deegree3 /** * Checks if the arraycontainsthe string value. This method is case insensitive. * * @param target...
* By default, the method assumes the entry is not included, unless it * matches. In that case, it will return true. * * @param text text to be checked * @return true if text is included */ protected boolean incPattern(String text) { this.USEFILE = false; for (Pattern includePattern...
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By the way, another difference betweencontains()andindexOf()methods is thatcontains()accept aCharSequenceobject as the parameter which is a super interface forString, StringBuffer and StringBuilderin Java. You can pass either of those objects tocontains()method in Java. ...